{"id":466,"date":"2026-11-06T19:28:02","date_gmt":"2026-11-06T11:28:02","guid":{"rendered":"https:\/\/yutotape.com\/?post_type=product&#038;p=466"},"modified":"2026-11-07T00:10:05","modified_gmt":"2026-11-06T16:10:05","slug":"3m-851st-1000mm-50m","status":"publish","type":"product","link":"https:\/\/yutotape.com\/materials\/3m-851st-1000mm-50m\/","title":{"rendered":"3M\u2122 851ST 3M\u2122 851ST Circuit Board Plating Masking Tape"},"content":{"rendered":"<div class=\"yuto-product-overview\">\n<p class=\"yuto-lead-desc\">3M\u2122 Circuit Board Plating Tape 851ST is a green polyester-backed masking tape engineered specifically for printed circuit board gold-finger electroplating and solder-stripping baths. Its adhesive formulation creates an impervious seal that prevents aggressive chemical bath undercutting, peeling away cleanly without adhesive transfer.<\/p>\n<h3>Key Performance Highlights<\/h3>\n<ul class=\"yuto-highlights-list\">\n<li>Conformable green polyester backing provides excellent chemical barrier against acidic plating baths<\/li>\n<li>Specially formulated adhesive prevents plating bath undercutting and edge leakage<\/li>\n<li>Removes cleanly from PCB traces without leaving adhesive ghosting or residue<\/li>\n<li>Translucent green color allows precise visual alignment over critical contact fingers<\/li>\n<\/ul>\n<h3>Recommended Industrial Applications<\/h3>\n<p>Printed circuit board (PCB) gold finger plating masking, chemical bath protection, powder coating<\/p>\n<h3>Authoritative Technical Specifications<\/h3>\n<table class=\"yuto-specs-table\">\n<tbody>\n<tr>\n<th>Backing Material<\/th>\n<td>Translucent green polyester blend film<\/td>\n<\/tr>\n<tr>\n<th>Adhesive System<\/th>\n<td>Formulated silicone\/rubber-blend masking adhesive<\/td>\n<\/tr>\n<tr>\n<th>Total Thickness<\/th>\n<td>0.100 mm (4.0 mil)<\/td>\n<\/tr>\n<tr>\n<th>Operating Temperature<\/th>\n<td>Up to 130\u00b0C (266\u00b0F) masking bath temperatures<\/td>\n<\/tr>\n<tr>\n<th>Visual Color \/ Appearance<\/th>\n<td>Green (Translucent Polyester)<\/td>\n<\/tr>\n<tr>\n<th>Dielectric \/ Flame Rating<\/th>\n<td>Chemical plating barrier<\/td>\n<\/tr>\n<tr>\n<th>Precision Converting<\/th>\n<td>Precision Rotary Slitting, Die-Cutting, Custom Widths from 2mm to Log Width<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>3M\u2122 851ST featuring Translucent green polyester blend film and Formulated silicone\/rubber-blend masking adhesive. Operating temperature Up to 130\u00b0C (266\u00b0F) masking bath temperatures with Chemical plating barrier. Precision slit and die-cut to custom B2B engineering specifications.<\/p>\n","protected":false},"featured_media":946,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[38],"product_tag":[],"class_list":["post-466","product","type-product","status-publish","has-post-thumbnail","product_cat-insulating-specialty-film-tapes","first","instock","shipping-taxable","purchasable","product-type-variable"],"acf":[],"_links":{"self":[{"href":"https:\/\/yutotape.com\/wp-json\/wp\/v2\/product\/466","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yutotape.com\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/yutotape.com\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/yutotape.com\/wp-json\/wp\/v2\/comments?post=466"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yutotape.com\/wp-json\/wp\/v2\/media\/946"}],"wp:attachment":[{"href":"https:\/\/yutotape.com\/wp-json\/wp\/v2\/media?parent=466"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/yutotape.com\/wp-json\/wp\/v2\/product_brand?post=466"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/yutotape.com\/wp-json\/wp\/v2\/product_cat?post=466"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/yutotape.com\/wp-json\/wp\/v2\/product_tag?post=466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}