{"id":1727,"date":"2016-08-04T04:23:00","date_gmt":"2016-08-04T04:23:00","guid":{"rendered":"https:\/\/permabond.com\/polyurethane-adhesives-arent-construction-adhesives\/"},"modified":"2025-02-11T19:37:51","modified_gmt":"2025-02-11T19:37:51","slug":"polyurethane-adhesives-arent-construction-adhesives","status":"publish","type":"post","link":"https:\/\/permabond.com\/es\/polyurethane-adhesives-arent-construction-adhesives\/","title":{"rendered":"Polyurethane adhesives aren\u2019t just construction adhesives"},"content":{"rendered":"

Two component polyurethane adhesives bond materials with different flexibility or different thermal coefficients of expansion, including glass to metal, fiber-reinforced plastic (FRP) to metal, and aluminum to steel. This is surprising to many people because polyurethane adhesives have a fantastic reputation as wood bonding adhesives. They are not ONLY construction adhesives but specialty adhesives that are polyurethanes and find uses in many industries.<\/p>\n

Following are a few diverse applications I\u2019ve seen recently for polyurethane specialty adhesives.<\/p>\n

Trailer Truck Panel Bonding<\/a> and Office Furniture Bonding<\/h4>\n

Permabond\u2019s two component polyurethanes are ideal for bonding thin metal or laminate panels as they provide excellent strength with very low shrinkage. The low shrinkage allows bonding without show-through or read-through. The fact that the adhesive bond line isn\u2019t visible from the reverse side of the panel is a very desirable feature.<\/p>\n

Medical Devices<\/a><\/h4>\n

Polyurethanes are a process aid in the manufacture of prosthetics<\/a> during the \u2018build-up\u2019 phase. The process is sped up for the patient and the prosthetist by the short gel time.<\/p>\n

Carbon Fiber Automotive Components<\/h4>\n

Preformed bonnet (hood) shells are bonded with PT326<\/a> As a glue guru \u2013 I tend to ramble on about strength, durability, temperature resistance etc.\u2026 however, in addition to those attributes, the feature many carbon fiber bonding customers rave about is the color.<\/p>\n

Electronics<\/a><\/h4>\n

Polyurethane adhesives are often chosen for potting sensitive electronic components. Like in panel bonding, the low linear shrinkage prevents damage to the components during cure.<\/p>\n

Heat Exchangers<\/a><\/h4>\n

Unlike the small delicate electronic parts noted above, Heat exchanger potting areas can be quite large. Although for many types of heat exchangers, epoxies are preferred, potting large areas with epoxy can be problematic due to the shrinkage causing the walls of the pot to deform.<\/p>\n

Sports Equipment<\/a><\/h4>\n

Thanks to its high impact strength and vibration resistance, PU adhesive is ideal for bonding a wide variety of composites materials found in the sports equipment industry – e.g. for rackets, posts, kiteboards, and kayaks to name a few.<\/p>\n

 <\/p>\n

Different two component polyurethane adhesives can set quickly to allow for high speed production. Or to set slowly to allow time to dispense over a large area.<\/p>\n

In summary, specialty polyurethane adhesives are ideal for various industrial applications and for a large variety of substrates. I guess we can consider specialty polyurethanes construction adhesives; it is simply a matter of what you are constructing.<\/p>\n

For further help and advice, please contact<\/a>\u00a0Permabond.<\/p>\n","protected":false},"excerpt":{"rendered":"

Two component polyurethane adhesives bond materials with different flexibility or different thermal coefficients of expansion, including glass to metal, fiber-reinforced plastic (FRP) to metal, and aluminum to steel. This is surprising to many people because polyurethane adhesives have a fantastic reputation as wood bonding adhesives. They are not ONLY construction adhesives but specialty adhesives that […]<\/p>\n","protected":false},"author":5,"featured_media":1728,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[614,619],"tags":[42,232,233,234,235],"class_list":["post-1727","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-adhesive-types-2","category-polyurethane-adhesives","tag-adhesives","tag-polyurethane","tag-pu","tag-pur","tag-specialty-adhesives"],"acf":[],"yoast_head":"\nPolyurethane adhesives bond much more than wood<\/title>\n<meta name=\"description\" content=\"Polyurethane adhesives are selected for a diverse range of applications found in transportation, medicine, energy and industrial markets.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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