{"id":458,"date":"2026-11-06T19:28:01","date_gmt":"2026-11-06T11:28:01","guid":{"rendered":"https:\/\/yutotape.com\/?post_type=product&#038;p=458"},"modified":"2026-11-07T00:10:04","modified_gmt":"2026-11-06T16:10:04","slug":"3m-1339-584mm-55m","status":"publish","type":"product","link":"https:\/\/yutotape.com\/materials\/3m-1339-584mm-55m\/","title":{"rendered":"3M\u2122 1339 3M\u2122 1339 Polyester Film Filament Electrical Tape"},"content":{"rendered":"<div class=\"yuto-product-overview\">\n<p class=\"yuto-lead-desc\">3M\u2122 Polyester Film Filament Electrical Tape 1339 is a heavy-duty electrical tape combining a polyester film backing reinforced with continuous glass yarn filaments and an acrylic adhesive. Delivering exceptional tensile strength (275 lbs\/in) and cut-through resistance, it is designed for anchoring heavy leads, banding motor coils, and resisting centrifugal forces.<\/p>\n<h3>Key Performance Highlights<\/h3>\n<ul class=\"yuto-highlights-list\">\n<li>Continuous glass filament reinforcement delivers immense tensile strength (275 lbs\/in)<\/li>\n<li>Non-corrosive acrylic adhesive resists flagging and solvent degradation<\/li>\n<li>Prevents wire shift and lead pull-out under centrifugal forces in rotating motor armatures<\/li>\n<li>UL Recognized Class 130\u00b0C component for heavy electrical machinery<\/li>\n<\/ul>\n<h3>Recommended Industrial Applications<\/h3>\n<p>Heavy-duty coil anchoring, banding motor coils, securing heavy lead wires, high mechanical shock holding<\/p>\n<h3>Authoritative Technical Specifications<\/h3>\n<table class=\"yuto-specs-table\">\n<tbody>\n<tr>\n<th>Backing Material<\/th>\n<td>Polyester film reinforced with continuous glass yarn filaments<\/td>\n<\/tr>\n<tr>\n<th>Adhesive System<\/th>\n<td>High-shear acrylic pressure-sensitive adhesive<\/td>\n<\/tr>\n<tr>\n<th>Total Thickness<\/th>\n<td>0.165 mm (6.5 mil)<\/td>\n<\/tr>\n<tr>\n<th>Operating Temperature<\/th>\n<td>Up to 130\u00b0C (266\u00b0F) \u00b7 UL Class 130\u00b0C<\/td>\n<\/tr>\n<tr>\n<th>Visual Color \/ Appearance<\/th>\n<td>Translucent Off-White (Filament Reinforced)<\/td>\n<\/tr>\n<tr>\n<th>Dielectric \/ Flame Rating<\/th>\n<td>UL Recognized, File E17385 \u00b7 5,500 Volts dielectric breakdown<\/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 1339 featuring Polyester film reinforced with continuous glass yarn filaments and High-shear acrylic pressure-sensitive adhesive. Operating temperature Up to 130\u00b0C (266\u00b0F) \u00b7 UL Class 130\u00b0C with UL Recognized, File E17385 \u00b7 5,500 Volts dielectric breakdown. Precision slit and die-cut to custom B2B engineering specifications.<\/p>\n","protected":false},"featured_media":916,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[38],"product_tag":[],"class_list":["post-458","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\/458","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=458"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yutotape.com\/wp-json\/wp\/v2\/media\/916"}],"wp:attachment":[{"href":"https:\/\/yutotape.com\/wp-json\/wp\/v2\/media?parent=458"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/yutotape.com\/wp-json\/wp\/v2\/product_brand?post=458"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/yutotape.com\/wp-json\/wp\/v2\/product_cat?post=458"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/yutotape.com\/wp-json\/wp\/v2\/product_tag?post=458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}