{"id":223,"date":"2022-11-05T11:27:25","date_gmt":"2022-11-05T11:27:25","guid":{"rendered":"https:\/\/neosumk.com\/?page_id=223"},"modified":"2026-08-15T19:05:53","modified_gmt":"2026-08-15T11:05:53","slug":"parylene-coating-for-magnets","status":"publish","type":"page","link":"https:\/\/ct.semitanker.com\/de\/parylene-coating-for-magnets\/","title":{"rendered":"Magnete mit Parylene-Beschichtung"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"223\" class=\"elementor elementor-223\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5d5cd5b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5d5cd5b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column 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table{\r\n    width:100% !important;\r\n    inline-size:100% !important;\r\n    min-width:100% !important;\r\n    max-width:none !important;\r\n    table-layout:fixed !important;\r\n  }\r\n}\r\n@media(max-width:900px){.osenc-pdp .osenc-hero-grid,.osenc-pdp .osenc-two-col{grid-template-columns:1fr}.osenc-pdp .osenc-proof-grid,.osenc-pdp .osenc-card-grid,.osenc-pdp .osenc-process{grid-template-columns:1fr 1fr}.osenc-pdp .osenc-related{grid-template-columns:1fr 1fr}.osenc-pdp .osenc-hero-grid{gap:30px}.osenc-pdp .osenc-mid-cta{align-items:flex-start;flex-direction:column}}\r\n@media(max-width:640px){.osenc-pdp .osenc-photo-grid{grid-template-columns:1fr}.osenc-pdp .osenc-wrap{padding:0 16px}.osenc-pdp .osenc-section{padding:50px 0}.osenc-pdp .osenc-hero{padding:42px 0 48px}.osenc-pdp h1{font-size:30px}.osenc-pdp h2{font-size:24px}.osenc-pdp h3{font-size:20px}.osenc-pdp p{font-size:16px}.osenc-pdp .osenc-lead{font-size:18px}.osenc-pdp .osenc-proof-grid,.osenc-pdp .osenc-card-grid,.osenc-pdp .osenc-process,.osenc-pdp .osenc-related{grid-template-columns:1fr}.osenc-pdp .osenc-actions{display:grid;width:100%}.osenc-pdp .osenc-btn{width:100%}.osenc-pdp th,.osenc-pdp td{min-width:150px}.osenc-pdp .osenc-table-wrap > table{min-width:760px !important;table-layout:auto !important}}\r\n@media(prefers-reduced-motion:reduce){.osenc-pdp .osenc-btn{transition:none}}\r\n<\/style>\r\n<section class=\"osenc-pdp\">\r\n<div class=\"osenc-hero\">\r\n<div class=\"osenc-wrap osenc-hero-grid\">\r\n<div>\r\n<span class=\"osenc-kicker\">Custom NdFeB Coating Supplier<\/span>\r\n<h1>Parylene Coated Magnets for Custom NdFeB Applications<\/h1>\r\n<p class=\"osenc-lead\"><strong>OSENC manufactures custom Parylene coated neodymium magnets<\/strong> for micro, sensor, electronic and corrosion-sensitive assemblies. We engineer the NdFeB core, coating system, magnetization, finished dimensions and working gap as one finished magnetic component.<\/p>\r\n<div class=\"osenc-actions\">\r\n<a class=\"osenc-btn osenc-btn-primary\" href=\"https:\/\/ct.semitanker.com\/contact-us\/\">Send Your Drawing for Quote<\/a>\r\n<a class=\"osenc-btn osenc-btn-secondary\" href=\"https:\/\/ct.semitanker.com\/neodymium-magnet-coating\/\">Compare Magnet Coatings<\/a>\r\n<\/div>\r\n<div class=\"osenc-proof-grid\">\r\n<div class=\"osenc-card\"><h3>8\u201325 \u03bcm Parylene C<\/h3><p>OSENC controls Parylene C coating build from 8 to 25 \u03bcm with a coating-thickness tolerance of \u00b12 \u03bcm.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>\u00b10.05 mm Tight Tolerance<\/h3><p>Finished Parylene-coated magnets are supplied to standard \u00b10.10 mm dimensional tolerance, with \u00b10.05 mm tight tolerance capability.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>MOQ 1 Prototype<\/h3><p>Validate one engineered sample before committing to volume production, including coating build, finished dimensions, magnetization and assembly fit.<\/p><\/div>\r\n<\/div>\r\n<\/div>\r\n<div>\r\n<img fetchpriority=\"high\" alt=\"OSENC Parylene coated neodymium magnet samples\" class=\"osenc-image\" decoding=\"async\" fetchpriority=\"high\" height=\"500\" src=\"https:\/\/ct.semitanker.com\/wp-content\/uploads\/2023\/01\/Parylene-coated-magnet.webp\" width=\"500\"\/>\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"osenc-section osenc-spec-band\">\r\n<div class=\"osenc-wrap\">\r\n<span class=\"osenc-small-label\">Quick Specifications<\/span>\r\n<h2>Custom Parylene Coated Magnet Capabilities<\/h2>\r\n<div class=\"osenc-table-wrap\">\r\n<table>\r\n<thead><tr><th>Specification<\/th><th>OSENC Capability<\/th><\/tr><\/thead>\r\n<tbody>\r\n<tr><td><strong>Product<\/strong><\/td><td>Custom Parylene coated neodymium magnets and micro magnets made to drawing<\/td><\/tr>\r\n<tr><td><strong>Published Parylene Option<\/strong><\/td><td>Parylene C<\/td><\/tr>\r\n<tr><td><strong>Layer Systems<\/strong><\/td><td>Parylene C, NiCuNi + Parylene, and tin + Parylene within OSENC's coating matrix<\/td><\/tr>\r\n<tr><td><strong>Parylene C Coating Thickness<\/strong><\/td><td>8\u201325 \u03bcm controlled coating range<\/td><\/tr>\r\n<tr><td><strong>NdFeB Grades<\/strong><\/td><td>N35\u2013N55 plus temperature-grade options selected from the finished assembly requirement<\/td><\/tr>\r\n<tr><td><strong>Magnetization<\/strong><\/td><td>Axial, diametrical, through-thickness and multipole for suitable custom geometries<\/td><\/tr>\r\n<tr><td><strong>Coating Thickness Tolerance<\/strong><\/td><td>\u00b12 \u03bcm for Parylene coating thickness<\/td><\/tr>\r\n<tr><td><strong>Finished Dimensional Tolerance<\/strong><\/td><td>Standard \u00b10.10 mm; tight tolerance \u00b10.05 mm for suitable Parylene-coated geometries<\/td><\/tr>\r\n<tr><td><strong>Minimum Parylene Coated Magnet<\/strong><\/td><td>\u00d81 \u00d7 0.5 mm<\/td><\/tr>\r\n<tr><td><strong>Prototype Quantity<\/strong><\/td><td>MOQ 1 for custom engineering validation<\/td><\/tr>\r\n<tr><td><strong>Inspection<\/strong><\/td><td>Finished dimensions by suitable precision methods including optical-projector or microscope measurement for micro geometry; surface Gauss at a defined position and distance; visual or microscopic coating-integrity inspection; project-defined salt-spray, humidity or immersion validation when required<\/td><\/tr>\r\n<tr><td><strong>Supply Type<\/strong><\/td><td>Custom to drawing, from prototype validation to production supply<\/td><\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<div class=\"osenc-callout\"><strong>Finished-part control:<\/strong> OSENC controls the coated magnet as the deliverable. Final dimensions, magnetization, working gap and inspection criteria are defined around the part that enters your assembly, not around an uncoated magnetic core.<\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"osenc-section\">\r\n<div class=\"osenc-wrap\">\r\n<span class=\"osenc-small-label\">Engineering &amp; Manufacturing Capability<\/span>\r\n<h2>Why OSENC Builds the Magnet and Parylene Coating as One Finished Specification<\/h2>\r\n<p>OSENC controls the magnetic core, Parylene system, final dimensions, magnetization, working gap and inspection plan as one finished component specification. That keeps coating build, assembly fit and magnetic output tied to the same released drawing instead of treating coating as a separate after-process.<\/p>\r\n<div class=\"osenc-card-grid\">\r\n<div class=\"osenc-card\"><h3>Finished-Part Control<\/h3><p>OD, ID, thickness, holes and other critical dimensions are inspected after coating against the approved finished-part drawing.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>8\u201325 \u03bcm Coating Build<\/h3><p>Parylene C is controlled from 8 to 25 \u03bcm with \u00b12 \u03bcm coating-thickness tolerance. The build is included in the real sensor distance or magnetic air gap before the sample is released.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Finished Tolerance Control<\/h3><p>Standard finished dimensional tolerance is \u00b10.10 mm, with \u00b10.05 mm tight tolerance capability for suitable Parylene-coated parts.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Micro Parylene Capability<\/h3><p>OSENC produces Parylene-coated magnets down to \u00d81 \u00d7 0.5 mm, with coating build, handling and finished dimensions controlled as one released part specification.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Magnetic Verification<\/h3><p>Surface Gauss is checked at a defined position and distance when specified, with stronger batch-consistency methods added when the project requires them.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>MOQ 1 Validation<\/h3><p>Engineering validation can start from one custom sample so fit, coating acceptance, magnetization and application performance are locked before volume production.<\/p><\/div>\r\n<\/div>\r\n<div class=\"osenc-mid-cta\">\r\n<p><strong>Have a drawing already?<\/strong><br\/>Send the final coated dimensions, magnetization, working gap, target or maximum Parylene build and application environment. OSENC will quote the finished magnetic component, not just the coating operation.<\/p>\r\n<div class=\"osenc-actions\"><a class=\"osenc-btn osenc-btn-primary\" href=\"https:\/\/ct.semitanker.com\/contact-us\/\">Request Engineering Review<\/a><\/div>\r\n<\/div>\r\n<div class=\"osenc-photo-grid\">\r\n<figure class=\"osenc-photo-card\">\r\n<img loading=\"lazy\" alt=\"OSENC Parylene coated rectangular neodymium magnet samples\" class=\"osenc-image\" decoding=\"async\" height=\"300\" loading=\"lazy\" src=\"https:\/\/ct.semitanker.com\/wp-content\/uploads\/2023\/01\/Parylene-coating-300x300.webp\" width=\"300\"\/>\r\n<\/figure>\r\n<figure class=\"osenc-photo-card\">\r\n<img loading=\"lazy\" alt=\"OSENC small neodymium magnets for micro magnet manufacturing\" class=\"osenc-image\" decoding=\"async\" height=\"800\" loading=\"lazy\" src=\"https:\/\/ct.semitanker.com\/wp-content\/uploads\/2026\/01\/Neodymium-Micro-Magnets4.webp\" width=\"800\"\/>\r\n<\/figure>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"osenc-section osenc-spec-band\" id=\"parylene-thickness-tolerance\">\r\n<div class=\"osenc-wrap\">\r\n<span class=\"osenc-small-label\">Coating Thickness &amp; Tolerance<\/span>\r\n<h2>Parylene Coating Thickness and Finished Tolerance for Neodymium Magnets<\/h2>\r\n<p>For precision NdFeB assemblies, coating thickness and finished-part tolerance must be controlled separately. OSENC supplies Parylene C in an 8\u201325 \u03bcm coating range with \u00b12 \u03bcm coating-thickness tolerance, then inspects the finished coated magnet to the dimensional tolerance released on the drawing.<\/p>\r\n<div class=\"osenc-table-wrap\">\r\n<table>\r\n<thead><tr><th>Engineering Parameter<\/th><th>OSENC Capability<\/th><th>Why It Matters<\/th><\/tr><\/thead>\r\n<tbody>\r\n<tr><td><strong>Parylene C Thickness<\/strong><\/td><td>8\u201325 \u03bcm<\/td><td>Sets the protective and insulating coating build added to the NdFeB surface.<\/td><\/tr>\r\n<tr><td><strong>Coating Thickness Tolerance<\/strong><\/td><td>\u00b12 \u03bcm<\/td><td>Controls variation in coating build where clearance, electrical isolation and magnetic working gap are sensitive.<\/td><\/tr>\r\n<tr><td><strong>Standard Finished Tolerance<\/strong><\/td><td>\u00b10.10 mm<\/td><td>Applies to the finished coated magnet rather than the bare NdFeB core.<\/td><\/tr>\r\n<tr><td><strong>Tight Finished Tolerance<\/strong><\/td><td>\u00b10.05 mm<\/td><td>Supports assemblies where final coated dimensions drive fit, sensor position or mechanical clearance.<\/td><\/tr>\r\n<tr><td><strong>Minimum Parylene Coated Magnet<\/strong><\/td><td>\u00d81 \u00d7 0.5 mm<\/td><td>Provides a verified production reference for compact sensors, micro actuators and miniature magnetic assemblies.<\/td><\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<div class=\"osenc-callout\"><strong>Do not confuse coating tolerance with finished dimensional tolerance:<\/strong> \u00b12 \u03bcm controls the Parylene layer itself; \u00b10.10 mm standard and \u00b10.05 mm tight tolerance apply to the final coated magnet dimensions released on the drawing.<\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"osenc-section\">\r\n<div class=\"osenc-wrap osenc-two-col\">\r\n<div>\r\n<span class=\"osenc-small-label\">Why Parylene<\/span>\r\n<h2>Why Use Parylene Coating on Neodymium Magnets?<\/h2>\r\n<p>Parylene is a vapor-deposited polymer barrier used where coating build, geometry and environmental isolation are tightly constrained. OSENC applies Parylene C at 8\u201325 \u03bcm where a thin conformal layer provides a better engineering fit than a thicker coating system.<\/p>\r\n<div class=\"osenc-card-grid\">\r\n<div class=\"osenc-card\"><h3>Controlled 8\u201325 \u03bcm Build<\/h3><p>The verified Parylene C range keeps added coating build low and controlled when OD, ID, slot width, sensor distance or assembly clearance is tightly constrained.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Conformal Coverage<\/h3><p>Vapor deposition reaches edges, recesses and small features without the pooling behavior of many liquid-applied coatings.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Electrical Insulation<\/h3><p>Parylene provides an insulating polymer surface where the magnet must be electrically isolated from nearby conductive parts.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Moisture Barrier<\/h3><p>A continuous coating layer protects corrosion-sensitive NdFeB when coating integrity is maintained for the intended environment.<\/p><\/div>\r\n<\/div>\r\n<\/div>\r\n<div>\r\n<img loading=\"lazy\" alt=\"OSENC micro neodymium magnets for compact Parylene coated magnet applications\" class=\"osenc-image\" decoding=\"async\" height=\"1365\" loading=\"lazy\" src=\"https:\/\/ct.semitanker.com\/wp-content\/uploads\/2023\/05\/Tiny-neodymium-Magnet-2048x1365.webp\" width=\"2048\"\/>\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"osenc-section\">\r\n<div class=\"osenc-wrap\">\r\n<span class=\"osenc-small-label\">Applications<\/span>\r\n<h2>Parylene Coated NdFeB Magnets for Precision Assemblies<\/h2>\r\n<p>OSENC engineers Parylene-coated NdFeB magnets for compact sensors, micro actuators, miniature electronic assemblies, laboratory instruments and precision magnetic components where thin coating build and environmental isolation are critical.<\/p>\r\n<div class=\"osenc-card-grid\">\r\n<div class=\"osenc-card\"><h3>Sensors &amp; Encoders<\/h3><p>We control coating build, pole direction, sensor position and working distance as one magnetic stack-up.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Micro Actuators<\/h3><p>We match small moving magnets with repeatable dimensions, magnetization and a coating system that preserves usable air gap.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Medical &amp; Lab Components<\/h3><p>We define cleanliness, coating integrity and documentation from the actual device contact and validation plan.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Microfluidic Devices<\/h3><p>We control final coated dimensions and magnetic direction where short working distances drive actuation repeatability.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Optical Positioning<\/h3><p>We coordinate final fit, magnetic axis and locating performance for compact precision assemblies.<\/p><\/div>\r\n<div class=\"osenc-card\"><h3>Compact Electronics<\/h3><p>We specify Parylene where a thin insulating barrier is more valuable than a thicker protective coating.<\/p><\/div>\r\n<\/div>\r\n<div class=\"osenc-photo-grid\">\r\n<figure class=\"osenc-photo-card\">\r\n<img loading=\"lazy\" alt=\"OSENC micro neodymium magnet at pen tip scale\" class=\"osenc-image\" decoding=\"async\" height=\"500\" loading=\"lazy\" src=\"https:\/\/ct.semitanker.com\/wp-content\/uploads\/2023\/04\/neodymium-magnets3.webp\" width=\"500\"\/>\r\n\r\n<\/figure>\r\n<figure class=\"osenc-photo-card\">\r\n<img loading=\"lazy\" alt=\"OSENC micro magnet dimensional inspection with precision caliper\" class=\"osenc-image\" decoding=\"async\" height=\"600\" loading=\"lazy\" src=\"https:\/\/ct.semitanker.com\/wp-content\/uploads\/2022\/11\/micro-magnet.webp\" width=\"600\"\/>\r\n\r\n<\/figure>\r\n<\/div>\r\n<h3>Where OSENC Specifies Another Coating System<\/h3>\r\n<p>For direct abrasion, repeated impact, aggressive mechanical contact or applications that require a thicker protective shell, OSENC specifies another coating or encapsulation system instead of forcing Parylene into the wrong application.<\/p>\r\n<ul>\r\n<li>Repeated scraping, abrasion or impact directly on the magnet surface<\/li>\r\n<li>Adhesive joints where coating-to-adhesive bond strength controls assembly integrity<\/li>\r\n<li>Applications that require a thicker structural barrier rather than a thin conformal film<\/li>\r\n<li>Long chemical immersion without defined medium, concentration, temperature and exposure duration<\/li>\r\n<\/ul>\r\n<\/div>\r\n<\/div>\r\n<div class=\"osenc-section\">\r\n<div class=\"osenc-wrap osenc-two-col\">\r\n<div>\r\n<span class=\"osenc-small-label\">Quality Control<\/span>\r\n<h2>Parylene Coated Magnet Quality Control and Inspection<\/h2>\r\n<p>OSENC locks the project acceptance criteria before volume production. We inspect the finished coated part against the approved drawing and agreed QC plan so the result corresponds to the component that enters your assembly.<\/p>\r\n<div class=\"osenc-table-wrap\">\r\n<table>\r\n<thead><tr><th>Control Item<\/th><th>OSENC Control<\/th><\/tr><\/thead>\r\n<tbody>\r\n<tr><td><strong>Finished Dimensions<\/strong><\/td><td>OSENC inspects final OD, ID, thickness, holes and critical geometry after coating. Standard finished dimensional tolerance is \u00b10.10 mm; tight tolerance is \u00b10.05 mm for suitable Parylene-coated geometries.<\/td><\/tr>\r\n<tr><td><strong>Magnetic Output<\/strong><\/td><td>Surface Gauss is measured at a defined position and distance. Batch magnetic consistency is controlled with the agreed magnetic test method when required.<\/td><\/tr>\r\n<tr><td><strong>Coating Thickness &amp; Integrity<\/strong><\/td><td>Parylene C is controlled at 8\u201325 \u03bcm with \u00b12 \u03bcm thickness tolerance. Surface acceptance uses visual or microscopic inspection, with coating requirements fixed in the quotation or sample validation plan before production release.<\/td><\/tr>\r\n<tr><td><strong>Environmental Validation<\/strong><\/td><td>Salt-spray testing can be arranged for Parylene-coated micro magnets when the project requires humidity, salt exposure or longer-term environmental validation. Humidity or immersion checks are defined from the actual application and QC plan.<\/td><\/tr>\r\n<tr><td><strong>Packaging<\/strong><\/td><td>Micro parts can be supplied in trays, tape-and-reel or custom handling fixtures when packaging stability is part of the assembly requirement.<\/td><\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<p>Inspection reports can include finished-dimensional data, surface Gauss readings, coating inspection notes and packaging confirmation. Test method, sample condition and pass\/fail criteria are written into the quotation or sample validation plan before production release.<\/p>\r\n<\/div>\r\n<div>\r\n<img loading=\"lazy\" alt=\"OSENC small neodymium magnet production and quality inspection\" class=\"osenc-image\" decoding=\"async\" height=\"800\" loading=\"lazy\" src=\"https:\/\/ct.semitanker.com\/wp-content\/uploads\/2026\/01\/Neodymium-Micro-Magnets2.webp\" width=\"800\"\/>\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"osenc-section\">\r\n<div class=\"osenc-wrap osenc-two-col\">\r\n<div>\r\n<span class=\"osenc-small-label\">Coating Selection<\/span>\r\n<h2>Parylene vs. Nickel, Epoxy and PTFE Magnet Coatings<\/h2>\r\n<p>OSENC selects the coating from the failure mode, dimensional allowance and application environment. Parylene is strongest when thin conformal coverage, micro-scale geometry, electrical isolation and tight assembly clearance matter more than mechanical coating thickness.<\/p>\r\n<div class=\"osenc-table-wrap\">\r\n<table>\r\n<thead><tr><th>Design Condition<\/th><th>OSENC Selection Direction<\/th><th>Why<\/th><\/tr><\/thead>\r\n<tbody>\r\n<tr><td><strong>Very limited OD, ID, slot or sensor clearance<\/strong><\/td><td>Parylene is a strong fit<\/td><td>An 8\u201325 \u03bcm controlled Parylene C build helps preserve a tight dimensional stack-up and usable working gap.<\/td><\/tr>\r\n<tr><td><strong>Micro geometry, recesses or small features<\/strong><\/td><td>Parylene is a strong fit<\/td><td>Vapor deposition provides conformal coverage across exposed geometry without the pooling behavior of many liquid-applied coatings.<\/td><\/tr>\r\n<tr><td><strong>Electrical isolation at the magnet surface<\/strong><\/td><td>Parylene is a strong fit<\/td><td>The polymer coating creates an electrically insulating surface while keeping added build low.<\/td><\/tr>\r\n<tr><td><strong>General metallic finish and normal handling<\/strong><\/td><td>Review Nickel-family plating<\/td><td>A metallic coating is usually the more direct general-purpose route when ultra-thin conformal polymer coverage is not the main requirement.<\/td><\/tr>\r\n<tr><td><strong>Thicker polymer protection is acceptable<\/strong><\/td><td>Review Epoxy<\/td><td>Epoxy is the stronger direction when the design can accept a thicker polymer coating build.<\/td><\/tr>\r\n<tr><td><strong>Low-friction or release behavior is required<\/strong><\/td><td>Review PTFE<\/td><td>PTFE is selected around low-friction, release or defined chemical-media requirements.<\/td><\/tr>\r\n<tr><td><strong>Repeated scraping, abrasion or impact<\/strong><\/td><td>Parylene is not our first choice<\/td><td>OSENC reviews another coating or encapsulation route instead of forcing a thin conformal film into a mechanically aggressive contact condition.<\/td><\/tr>\r\n<tr><td><strong>Long chemical immersion<\/strong><\/td><td>Application review required<\/td><td>Media, concentration, temperature and exposure duration must be defined before the coating system is released.<\/td><\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<p>For applications that need an intermediate metallic layer, OSENC's coating matrix also includes NiCuNi + Parylene and tin + Parylene systems.<\/p>\r\n<p>For thicker polymer protection, compare our <a href=\"https:\/\/ct.semitanker.com\/epoxy-coating-for-magnets\/\">epoxy coated magnets<\/a>. For micro-scale geometries, see our <a href=\"https:\/\/ct.semitanker.com\/micro-magnets\/\">micro neodymium magnet capabilities<\/a>.<\/p>\r\n<\/div>\r\n<div>\r\n<img loading=\"lazy\" alt=\"OSENC micro neodymium magnets for coating selection reference\" class=\"osenc-image\" decoding=\"async\" height=\"800\" loading=\"lazy\" src=\"https:\/\/ct.semitanker.com\/wp-content\/uploads\/2026\/01\/Neodymium-Micro-Magnets3.webp\" width=\"800\"\/>\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"osenc-section\">\r\n<div class=\"osenc-wrap\">\r\n<span class=\"osenc-small-label\">Process<\/span>\r\n<h2>How Parylene Coating Is Applied to NdFeB Magnets<\/h2>\r\n<p>Parylene is applied by vapor deposition rather than brushing, spraying or electroplating. The process uses three main stages:<\/p>\r\n<div class=\"osenc-process\">\r\n<div class=\"osenc-step\"><h3>Vaporization<\/h3><p>Solid dimer is heated under vacuum to form a vapor.<\/p><\/div>\r\n<div class=\"osenc-step\"><h3>Pyrolysis<\/h3><p>The dimer vapor passes through a high-temperature zone and is split into reactive monomer.<\/p><\/div>\r\n<div class=\"osenc-step\"><h3>Deposition<\/h3><p>The monomer enters the coating chamber and polymerizes on exposed surfaces at approximately ambient temperature.<\/p><\/div>\r\n<\/div>\r\n<div class=\"osenc-callout\"><strong>Temperature boundary:<\/strong> the 650\u2013700\u00b0C figure belongs to the pyrolysis zone inside the coating equipment. Finished-magnet operating temperature is defined separately from NdFeB grade, geometry, magnetic working point and assembly conditions.<\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"osenc-section\">\r\n<div class=\"osenc-wrap\">\r\n<span class=\"osenc-small-label\">RFQ Requirements<\/span>\r\n<h2>What to Send for a Parylene Magnet Quote<\/h2>\r\n<p>OSENC quotes Parylene coating as part of the complete magnet specification, including final dimensions, coating build, magnetization, working gap and validation requirements.<\/p>\r\n<div class=\"osenc-table-wrap\">\r\n<table>\r\n<thead><tr><th>RFQ Item<\/th><th>What to Send<\/th><th>OSENC Uses It To<\/th><\/tr><\/thead>\r\n<tbody>\r\n<tr><td><strong>Magnet Geometry<\/strong><\/td><td>Drawing with OD\/ID, length, thickness, holes, slots, radii and datums<\/td><td>Define finished coated dimensions and clearance<\/td><\/tr>\r\n<tr><td><strong>Magnetic Requirement<\/strong><\/td><td>Grade if fixed, magnetization direction, pole pattern, working gap and target field or force condition<\/td><td>Review the finished magnetic circuit<\/td><\/tr>\r\n<tr><td><strong>Coating Requirement<\/strong><\/td><td>Parylene type if specified, target build or maximum build, masked areas and surface requirements<\/td><td>Set coating and dimensional controls<\/td><\/tr>\r\n<tr><td><strong>Environment<\/strong><\/td><td>Temperature, humidity, media or chemicals, concentration, immersion or splash condition and exposure duration<\/td><td>Select the coating system and validation plan<\/td><\/tr>\r\n<tr><td><strong>Assembly Interface<\/strong><\/td><td>Adhesive, housing material, press fit, sensor position or other contact details<\/td><td>Review surface, fit and handling risk<\/td><\/tr>\r\n<tr><td><strong>Validation<\/strong><\/td><td>Inspection method, coating requirement, environmental test, cleanliness or documentation requirement<\/td><td>Lock pass\/fail criteria before sample release<\/td><\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<div class=\"osenc-callout\"><strong>Do not have every parameter yet?<\/strong> Send the drawing and application first. OSENC can identify the missing coating-build, tolerance, magnetic and validation inputs during engineering review.<\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"osenc-section osenc-faq\">\r\n<div class=\"osenc-wrap\">\r\n<h2>Parylene Coated Magnet FAQ<\/h2>\r\n<details><summary>What Parylene coating does OSENC offer for neodymium magnets?<\/summary><p>OSENC's published coating range includes Parylene C. Our coating matrix also includes NiCuNi + Parylene and tin + Parylene systems for projects that require an intermediate metallic layer.<\/p><\/details>\r\n<details><summary>What Parylene coating thickness can OSENC supply for neodymium magnets?<\/summary><p>OSENC supplies Parylene C in an 8\u201325 \u03bcm coating-thickness range with \u00b12 \u03bcm coating-thickness tolerance. The released build is selected from the drawing, finished tolerance, electrical or barrier requirement and real working gap.<\/p><\/details>\r\n<details><summary>What finished dimensional tolerance can OSENC hold on Parylene coated magnets?<\/summary><p>OSENC uses \u00b10.10 mm as the standard finished dimensional tolerance and can hold \u00b10.05 mm tight tolerance for suitable Parylene-coated geometries. These values apply to the finished coated part, not the bare NdFeB core.<\/p><\/details>\r\n<details><summary>Will Parylene coating reduce magnetic performance?<\/summary><p>The coating is nonmagnetic and adds physical separation between the magnet and the target or sensor. OSENC includes coating build in the real working gap and reviews magnetic output at the application condition rather than relying on bare-core data.<\/p><\/details>\r\n<details><summary>What is the smallest Parylene coated magnet OSENC can make?<\/summary><p>OSENC's verified minimum Parylene-coated magnet reference is \u00d81 \u00d7 0.5 mm. Final feasibility still depends on geometry, magnetization, coating build, handling and the released finished tolerance.<\/p><\/details>\r\n<details><summary>Can OSENC make one custom Parylene magnet for validation?<\/summary><p>Yes. OSENC supports MOQ 1 for custom magnet engineering validation. The sample stage is used to lock finished dimensions, coating acceptance, magnetization and application fit before volume production.<\/p><\/details>\r\n<details><summary>Does the 650\u2013700\u00b0C pyrolysis temperature mean the magnet can operate at that temperature?<\/summary><p>No. That temperature belongs to the pyrolysis stage inside the coating equipment. Finished-magnet operating temperature is determined separately by NdFeB grade, geometry, magnetic working point and assembly conditions.<\/p><\/details>\r\n<details><summary>Are Parylene coated magnets automatically FDA approved or ISO 10993 compliant?<\/summary><p>No. Material or coating-supplier biocompatibility documentation does not automatically certify every finished magnet or completed medical device. OSENC works from the documentation and validation requirements defined for the actual project.<\/p><\/details>\r\n<\/div>\r\n<\/div>\r\n<div class=\"osenc-section osenc-cta\">\r\n<div class=\"osenc-wrap\">\r\n<h2>Send Your Parylene Magnet Drawing to OSENC<\/h2>\r\n<p>Send the drawing, quantity, NdFeB grade if fixed, magnetization direction, final coated dimensions and tolerances, Parylene requirement, operating environment, real working gap, masked areas and validation requirements. OSENC will review the finished magnetic component and can start custom engineering validation from MOQ 1.<\/p>\r\n<div class=\"osenc-actions\"><a class=\"osenc-btn osenc-btn-primary\" href=\"https:\/\/ct.semitanker.com\/contact-us\/\">Get a Custom Parylene Magnet Quote<\/a><\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"osenc-section\">\r\n<div class=\"osenc-wrap\">\r\n<h2>Related Magnet Coating and Micro-Magnet Pages<\/h2>\r\n<div class=\"osenc-related\">\r\n<a href=\"https:\/\/ct.semitanker.com\/micro-magnets\/\">Micro Neodymium Magnets<\/a>\r\n<a href=\"https:\/\/ct.semitanker.com\/neodymium-magnet-coating\/\">Neodymium Magnet Coatings<\/a>\r\n<a href=\"https:\/\/ct.semitanker.com\/epoxy-coating-for-magnets\/\">Epoxy Coated Magnets<\/a>\r\n<a href=\"https:\/\/ct.semitanker.com\/teflon-coated-magnets\/\">PTFE Coated Magnets<\/a>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/section>\r\n<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"Product\",\r\n  \"name\": \"Parylene Coated Magnets for Custom NdFeB Applications\",\r\n  \"url\": \"https:\/\/ct.semitanker.com\/parylene-coating-for-magnets\/\",\r\n  \"description\": \"Custom Parylene coated neodymium magnets from OSENC with 8-25 \u03bcm Parylene C coating, \u00b12 \u03bcm coating-thickness tolerance, finished dimensional tolerance to \u00b10.05 mm, minimum \u00d81 \u00d7 0.5 mm size and MOQ 1 engineering validation.\",\r\n  \"image\": [\r\n    \"https:\/\/ct.semitanker.com\/wp-content\/uploads\/2023\/01\/Parylene-coated-magnet.webp\",\r\n    \"https:\/\/ct.semitanker.com\/wp-content\/uploads\/2023\/01\/Parylene-coating-300x300.webp\",\r\n    \"https:\/\/ct.semitanker.com\/wp-content\/uploads\/2023\/05\/Tiny-neodymium-Magnet-2048x1365.webp\"\r\n  ],\r\n  \"brand\": {\"@type\":\"Brand\",\"name\":\"OSENC\"},\r\n  \"manufacturer\": {\"@type\":\"Organization\",\"name\":\"OSENC\",\"url\":\"https:\/\/ct.semitanker.com\/\"},\r\n  \"category\": \"Parylene Coated Neodymium Magnets\",\r\n  \"material\": \"Neodymium iron boron (NdFeB) with Parylene coating\",\r\n  \"additionalProperty\": [\r\n    {\"@type\":\"PropertyValue\",\"name\":\"Published Parylene Option\",\"value\":\"Parylene C\"},\r\n    {\"@type\":\"PropertyValue\",\"name\":\"Parylene C Coating Thickness\",\"value\":\"8-25 \u03bcm\"},\r\n    {\"@type\":\"PropertyValue\",\"name\":\"Parylene Coating Thickness Tolerance\",\"value\":\"\u00b12 \u03bcm\"},\r\n    {\"@type\":\"PropertyValue\",\"name\":\"Finished Dimensional Tolerance\",\"value\":\"Standard \u00b10.10 mm; tight tolerance \u00b10.05 mm\"},\r\n    {\"@type\":\"PropertyValue\",\"name\":\"Minimum Parylene Coated Magnet\",\"value\":\"\u00d81 \u00d7 0.5 mm\"},\r\n    {\"@type\":\"PropertyValue\",\"name\":\"NdFeB Grade Options\",\"value\":\"N35-N55 plus temperature-grade options\"},\r\n    {\"@type\":\"PropertyValue\",\"name\":\"Magnetization\",\"value\":\"Axial, diametrical, through-thickness, multipole\"},\r\n    {\"@type\":\"PropertyValue\",\"name\":\"Prototype Quantity\",\"value\":\"MOQ 1 engineering validation\"},\r\n    {\"@type\":\"PropertyValue\",\"name\":\"Supply Type\",\"value\":\"Custom to drawing\"}\r\n  ]\r\n}\r\n<\/script>\r\n<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"FAQPage\",\r\n  \"mainEntity\": [\r\n    {\"@type\":\"Question\",\"name\":\"What Parylene coating does OSENC offer for neodymium magnets?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"OSENC's published coating range includes Parylene C. 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These values apply to the finished coated part, not the bare NdFeB core.\"}},\r\n    {\"@type\":\"Question\",\"name\":\"Will Parylene coating reduce magnetic performance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The coating is nonmagnetic and adds physical separation between the magnet and the target or sensor. OSENC includes coating build in the real working gap and reviews magnetic output at the application condition rather than relying on bare-core data.\"}},\r\n    {\"@type\":\"Question\",\"name\":\"What is the smallest Parylene coated magnet OSENC can make?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"OSENC's verified minimum Parylene-coated magnet reference is \u00d81 \u00d7 0.5 mm. Final feasibility still depends on geometry, magnetization, coating build, handling and the released finished tolerance.\"}},\r\n    {\"@type\":\"Question\",\"name\":\"Can OSENC make one custom Parylene magnet for validation?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. OSENC supports MOQ 1 for custom magnet engineering validation. The sample stage is used to lock finished dimensions, coating acceptance, magnetization and application fit before volume production.\"}},\r\n    {\"@type\":\"Question\",\"name\":\"Does the 650\u2013700\u00b0C pyrolysis temperature mean the magnet can operate at that temperature?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. That temperature belongs to the pyrolysis stage inside the coating equipment. Finished-magnet operating temperature is determined separately by NdFeB grade, geometry, magnetic working point and assembly conditions.\"}},\r\n    {\"@type\":\"Question\",\"name\":\"Are Parylene coated magnets automatically FDA approved or ISO 10993 compliant?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Material or coating-supplier biocompatibility documentation does not automatically certify every finished magnet or completed medical device. OSENC works from the documentation and validation requirements defined for the actual project.\"}}\r\n  ]\r\n}\r\n<\/script>\t\t\t\t<\/div>\n\t\t\n<\/div>\n\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Custom NdFeB Coating Supplier Parylene Coated Magnets for Custom NdFeB Applications OSENC manufactures custom Parylene coated neodymium magnets for micro, sensor, electronic and corrosion-sensitive assemblies. We engineer the NdFeB core, coating system, magnetization, finished dimensions and working gap as one finished magnetic component. Send Your Drawing for Quote Compare Magnet Coatings 8\u201325 \u03bcm Parylene C [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2380,"parent":0,"menu_order":35,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-223","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/ct.semitanker.com\/de\/wp-json\/wp\/v2\/pages\/223","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ct.semitanker.com\/de\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ct.semitanker.com\/de\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ct.semitanker.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ct.semitanker.com\/de\/wp-json\/wp\/v2\/comments?post=223"}],"version-history":[{"count":12,"href":"https:\/\/ct.semitanker.com\/de\/wp-json\/wp\/v2\/pages\/223\/revisions"}],"predecessor-version":[{"id":8726,"href":"https:\/\/ct.semitanker.com\/de\/wp-json\/wp\/v2\/pages\/223\/revisions\/8726"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ct.semitanker.com\/de\/wp-json\/wp\/v2\/media\/2380"}],"wp:attachment":[{"href":"https:\/\/ct.semitanker.com\/de\/wp-json\/wp\/v2\/media?parent=223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}