{"id":2039,"date":"2015-11-13T04:41:44","date_gmt":"2015-11-13T04:41:44","guid":{"rendered":"https:\/\/permabond.com\/adhesives-melt-high-temperature\/"},"modified":"2025-05-02T18:45:03","modified_gmt":"2025-05-02T18:45:03","slug":"adhesives-melt-high-temperature","status":"publish","type":"post","link":"https:\/\/permabond.com\/de\/adhesives-melt-high-temperature\/","title":{"rendered":"Do adhesives melt at high temperature?"},"content":{"rendered":"<h2>Do adhesives melt at high temperature?<\/h2>\n<p><i>\u2026depends on the type of adhesive is the quick answer to that one\u2026<\/i><\/p>\n<p>Adhesive users are often under the false impression that all adhesives melt at high temperature. While thermoplastic adhesives do melt or reflow at high temperatures, thermoset do not.<\/p>\n<h5>Thermoplastic<\/h5>\n<p>Examples of thermoplastic adhesives include hotmelt adhesives such as used on cardboard boxes or the little sticks used in craft glue guns. These products melt at high temperatures and freeze at room temperature. \u00a0Just like water, you can melt and freeze repeatedly.<\/p>\n<h5>Thermoset<\/h5>\n<p>Permabond adhesives are thermoset, and although they may weaken and soften at high temperatures, they don\u2019t actually turn liquid again. \u00a0Thermoset adhesives are made by polymers joining together with chemical bonds producing a crosslinked polymer structure. Examples of thermoset adhesives include:<\/p>\n<ul>\n<li><a href=\"https:\/\/permabond.com\/products\/epoxies-two-part-epoxy-adhesives\/\" target=\"_blank\" rel=\"noopener\">Epoxy<\/a> adhesives,<\/li>\n<li><a href=\"https:\/\/permabond.com\/products\/anaerobic-adhesives-and-sealants\/\" target=\"_blank\" rel=\"noopener\">Anaerobic adhesives<\/a>,<\/li>\n<li><a href=\"https:\/\/permabond.com\/acrylic-adhesive\/\" target=\"_blank\" rel=\"noopener\">Cyanoacrylate<\/a> adhesives,<\/li>\n<li><a href=\"https:\/\/permabond.com\/products\/uv-glue-uv-adhesive\/\" target=\"_blank\" rel=\"noopener\">UV curable<\/a> adhesives,<\/li>\n<li><a href=\"https:\/\/permabond.com\/products\/polyurethane-adhesives\/\" target=\"_blank\" rel=\"noopener\">Polyurethane adhesives<\/a>.<\/li>\n<\/ul>\n<p>So an application that is going to be subjected to high service temperatures during the assembly process or during use (such as paint bake oven, solder reflow, autoclave or oven sterilization), with a thermoset adhesive is not going to end up with a pool of molten adhesive under the joint thankfully!<\/p>\n<p>Applying heat to joints made with thermoset adhesives can be an easy way of weakening them to get them undone again. Generally, temperatures above 200\u00b0C significantly weaken organic-chemistry-based adhesives. Take care when handling hot parts and undo them whilst they\u2019re still hot otherwise, adhesive strength returns on cooling.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Do adhesives melt at high temperature? \u2026depends on the type of adhesive is the quick answer to that one\u2026 Adhesive users are often under the false impression that all adhesives melt at high temperature. While thermoplastic adhesives do melt or reflow at high temperatures, thermoset do not. Thermoplastic Examples of thermoplastic adhesives include hotmelt adhesives [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":2040,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[607,612],"tags":[353,42,354,355,356,357],"class_list":["post-2039","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-adhesive-selection-and-use","category-tips","tag-adhesive-bonds","tag-adhesives","tag-hotmelt","tag-melt","tag-reflow","tag-soldering"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Do Adhesives Melt at High Temperature? 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