{"id":592,"date":"2022-11-07T00:37:14","date_gmt":"2022-11-07T00:37:14","guid":{"rendered":"https:\/\/neosumk.com\/?page_id=592"},"modified":"2025-08-19T18:54:55","modified_gmt":"2025-08-19T10:54:55","slug":"zinc-coating-for-magnets","status":"publish","type":"page","link":"https:\/\/osenc.com\/de\/zinc-coating-for-magnets\/","title":{"rendered":"Zinkbeschichtung f\u00fcr Magnete"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"592\" class=\"elementor elementor-592\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7dd21f4e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7dd21f4e\" 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-50 elementor-top-column elementor-element elementor-element-5e33bf2e\" data-id=\"5e33bf2e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-27212776 elementor-widget elementor-widget-image\" data-id=\"27212776\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/osenc.com\/wp-content\/uploads\/2025\/08\/Zinc-Coating-for-Magnets.jpg\" class=\"attachment-large size-large wp-image-5266\" alt=\"Zinc Coated Magnet\" srcset=\"https:\/\/osenc.com\/wp-content\/uploads\/2025\/08\/Zinc-Coating-for-Magnets.jpg 600w, https:\/\/osenc.com\/wp-content\/uploads\/2025\/08\/Zinc-Coating-for-Magnets-150x150.jpg 150w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-8225477\" data-id=\"8225477\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-15df174f elementor-widget elementor-widget-heading\" data-id=\"15df174f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Zinc Coated Magnet For Sale<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1fb47f4 elementor-widget elementor-widget-text-editor\" data-id=\"1fb47f4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li data-start=\"129\" data-end=\"185\"><p data-start=\"132\" data-end=\"185\">Standard electrode potential of zinc: -0.76 V \/ SHE<\/p><\/li><li data-start=\"186\" data-end=\"250\"><p data-start=\"189\" data-end=\"250\">Zinc chloride coating has high efficiency, low bath voltage<\/p><\/li><li data-start=\"251\" data-end=\"290\"><p data-start=\"254\" data-end=\"290\">Main bath salts: KCl, ZnCl\u2082, H\u2083BO\u2083<\/p><\/li><li data-start=\"291\" data-end=\"340\"><p data-start=\"294\" data-end=\"340\">High-chromium passivation: CrO\u2083, H\u2082SO\u2084, HNO\u2083<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f79d4f0 elementor-widget elementor-widget-button\" data-id=\"f79d4f0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjIwMSIsInRvZ2dsZSI6ZmFsc2V9\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Get An Instant Quotation Now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1e14454f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1e14454f\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-50 elementor-top-column elementor-element elementor-element-7adfe017\" data-id=\"7adfe017\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-03f7a09 elementor-widget elementor-widget-text-editor\" data-id=\"03f7a09\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A zinc-coated <a href=\"https:\/\/osenc.com\/neodymium-magnets\/\">neodymium magnet<\/a> has a thin bluish or silvery layer that offers basic corrosion protection at a lower cost than nickel or epoxy. It is mainly used in indoor and dry environments where high durability isn\u2019t critical. While economical and easy to produce, zinc coatings wear faster and provide less resistance in humid or harsh conditions.<\/p><h2 data-start=\"36\" data-end=\"74\">\u00a0Zinc coating for neodymium magnets<\/h2><p data-start=\"94\" data-end=\"401\">Zinc coating can be applied to neodymium magnets by various processes. The permanent magnet industry has used zinc plating to protect neodymium magnets since the 1980s, which is quite a long time. Zn coating magnet is widely used in electronic products, such as hard drives, mobile phones, earphones, etc.<\/p><h2 data-start=\"403\" data-end=\"442\">Electrochemical Properties of Zinc<\/h2><p data-start=\"443\" data-end=\"575\">The standard electrode potential of zinc is -0.76 V \/ SHE, so zinc coating is often used as sacrificial anodes for the substrates.<\/p><p data-start=\"577\" data-end=\"745\">The potential of zinc is lower than hydrogen under aqueous conditions, so electroplating zinc in aqueous solutions requires the involvement of an additional compound.<\/p><h2 data-start=\"747\" data-end=\"799\">Environmental Protection and Plating Techniques<\/h2><p data-start=\"800\" data-end=\"1092\">Due to concerns regarding environmental protection, cyanide galvanizing has been replaced by other techniques. Bath formulations &#8211; for electroplating zinc on neodymium magnets &#8211; include chlorides, sulfates, and zincates. Zinc chloride galvanizing is the most commonly used technique so far.<\/p><h2 data-start=\"1094\" data-end=\"1134\">Advantages of Zinc Chloride Coating<\/h2><p data-start=\"1135\" data-end=\"1345\">Zinc chloride coating have a relatively high current efficiency and relatively low bath voltage. This means that the zinc chloride coating technique is more energy efficient than other galvanizing techniques.<\/p><h2 data-start=\"1347\" data-end=\"1368\">Bath Formulation<\/h2><p data-start=\"1369\" data-end=\"1540\">The main salt in the bath formulation of zinc chloride coating includes KCl, ZnCl2, and H3BO3. The additives in the formulation include surfactants and whitening agents.<\/p><p data-start=\"1542\" data-end=\"1806\">Surfactants change the electrode potential and cathodic polarization, so they can refine the grain size of the zinc coating\u2019 aromatic aldehydes and aromatic ketones, which are used as whitening agents to enhance the brightness and smoothness of the zinc coating.<\/p><h2 data-start=\"1808\" data-end=\"1840\">Passivation of Zinc Coating<\/h2><p data-start=\"1841\" data-end=\"2149\">The chemically active nature of zinc makes it necessary for the passivation of zinc coating after plating. The zinc coating reacts with the passivator and generates a dense chemically transformed film. Zinc coating can be divided into colored zinc and blue-white zinc, depending on the passivation effects.<\/p><p data-start=\"2201\" data-end=\"2362\">One important thing to mention: The hexavalent chromium technique has been replaced by the trivalent chromium technique, due to the strong carcinogenic effect.<\/p><h2 data-start=\"2364\" data-end=\"2389\">Colored Zinc Plating<\/h2><p data-start=\"2390\" data-end=\"2638\">For the colored zinc plating techniques, the zinc coating of neodymium magnets will gradually build a passivation film after reacting with acidic components in the air. The thickness and colors of the passivation film will change as time goes by.<\/p><p data-start=\"2640\" data-end=\"2964\">A simple high-chromium passivation formulation consists of chromic anhydride, H2SO4, and HNO3. Chromic anhydride will dissolve in water and form chromic acid, which has a polishing effect on its strong oxidizing feature. It should be noted that chromium-free passivation is the trend of zinc plating for neodymium magnets.<\/p><h2 data-start=\"2966\" data-end=\"2981\">Conclusion<\/h2><p data-start=\"2982\" data-end=\"3143\">The content above already introduces the basics of zinc coating for neodymium magnets. This is a fundamental protective layer for their quality and durability.<\/p><p data-start=\"3145\" data-end=\"3332\">As a custom neodymium magnet supplier, Osenc can offer various types of coating techniques to choose from. You can always pick the one that best fits your applications and expectations.<\/p><p data-start=\"3145\" data-end=\"3332\">Reference: <a href=\"https:\/\/en.wikipedia.org\/wiki\/Neodymium_magnet\" target=\"_blank\" rel=\"nofollow noopener\">https:\/\/en.wikipedia.org\/wiki\/Neodymium_magnet<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9f5ff5b elementor-widget elementor-widget-button\" data-id=\"9f5ff5b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjIwMSIsInRvZ2dsZSI6ZmFsc2V9\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Contact Osenc Now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-2ebb443e\" data-id=\"2ebb443e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6f993682 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"6f993682\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;exclude_headings_by_selector&quot;:[],&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;,&quot;h4&quot;,&quot;h5&quot;,&quot;h6&quot;],&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTable of Contents\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__6f993682\" aria-expanded=\"true\" aria-label=\"Inhaltsverzeichnis \u00f6ffnen\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__6f993682\" aria-expanded=\"true\" aria-label=\"Inhaltsverzeichnis schlie\u00dfen\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__6f993682\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Zinkbeschichteter Magnet zu verkaufen Standard-Elektrodenpotential von Zink: -0,76 V \/ SHE Zinkchlorid-Beschichtung hat hohe Effizienz, niedrige Badspannung Hauptbadsalze: KCl, ZnCl\u2082, H\u2083BO\u2083 Hochchrom-Passivierung: CrO\u2083, H\u2082SO\u2084, HNO\u2083 Jetzt ein Angebot einholen Ein zinkbeschichteter Neodym-Magnet hat eine d\u00fcnne bl\u00e4uliche oder silbrige Schicht, die einen grundlegenden Korrosionsschutz bietet...<\/p>","protected":false},"author":1,"featured_media":5266,"parent":0,"menu_order":22,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"class_list":["post-592","page","type-page","status-publish","has-post-thumbnail","hentry"],"taxonomy_info":[],"featured_image_src_large":["https:\/\/osenc.com\/wp-content\/uploads\/2025\/08\/Zinc-Coating-for-Magnets.jpg",600,600,false],"author_info":{"display_name":"Ben Zhong","author_link":"https:\/\/osenc.com\/de\/author\/infoosenc-com\/"},"comment_info":"","_links":{"self":[{"href":"https:\/\/osenc.com\/de\/wp-json\/wp\/v2\/pages\/592","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/osenc.com\/de\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/osenc.com\/de\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/osenc.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/osenc.com\/de\/wp-json\/wp\/v2\/comments?post=592"}],"version-history":[{"count":0,"href":"https:\/\/osenc.com\/de\/wp-json\/wp\/v2\/pages\/592\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/osenc.com\/de\/wp-json\/wp\/v2\/media\/5266"}],"wp:attachment":[{"href":"https:\/\/osenc.com\/de\/wp-json\/wp\/v2\/media?parent=592"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}