{"id":3104,"date":"2022-06-03T13:38:49","date_gmt":"2022-06-03T13:38:49","guid":{"rendered":"https:\/\/permabond.com\/permabond-uv649-corner-edge-bonding-and-strain-relief\/"},"modified":"2025-12-31T19:04:11","modified_gmt":"2025-12-31T19:04:11","slug":"permabond-uv649-corner-edge-bonding-and-strain-relief","status":"publish","type":"post","link":"https:\/\/permabond.com\/de\/permabond-uv649-corner-edge-bonding-and-strain-relief\/","title":{"rendered":"Permabond UV649 &#8211; Corner \/ Edge Bonding and Strain Relief"},"content":{"rendered":"\r\n<p>A PCB manufacturer was experiencing some inconsistency in manufacturing, specifically with corner and edge bonding, due to the variability of the underfill process. In addition to increasing the reliability of the process, they also wanted a solution that could be reworked. They came to Permabond with the following top ten product\/process wish list.<\/p>\r\n<h3>Wish List<\/h3>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>Easy to dispense<\/li>\r\n<li>No flow under components<\/li>\r\n<li>Fast cure<\/li>\r\n<li>No solvents &#8211; Low odor<\/li>\r\n<li>Reworkable<\/li>\r\n<li>Excellent shear strength<\/li>\r\n<li>High impact strength<\/li>\r\n<li>Bond materials with different coefficients of thermal expansion<\/li>\r\n<li>Vibration resistant bonds<\/li>\r\n<li>One product for edge bond and also strain relief<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" class=\"wp-image-17666\" src=\"https:\/\/permabond.com\/wp-content\/uploads\/2022\/11\/Electronics-2-inch.jpg\" alt=\"\" \/><\/figure>\r\n<h3>Permabond UV649<\/h3>\r\n\r\n\r\n\r\n<p><a href=\"https:\/\/permabond.com\/tds\/uv649_tds-en\/?pdf=1\" target=\"_blank\" rel=\"noreferrer noopener\">Permabond UV649<\/a> is a high viscosity, fast curing adhesive that forms strong, resilient bonds to plastics and metals, with many applications in electronics manufacturing. It is clear and colorless, which allows good depth of cure capabilities. The single-component adhesive is highly thixotropic \u2013 so it dispenses easily but does not flow after dispense. The reliable no-flow property ensures that the adhesive cures properly. If a UV cure adhesive flows under a component into an area shadowed from the UV light, it will not cure unless the adhesive has a secondary cure method.<\/p>\r\n\r\n\r\n\r\n<p>UV649 is solvent-free, 100% solids, with minimal odor, improving workers&#8217; comfort.<\/p>\r\n\r\n\r\n\r\n<p>With greater than 70% elongation, Permabond UV649 absorbs the stresses related to the differential coefficient of thermal expansion.\u00a0<\/p>\r\n\r\n\r\n\r\n<p>Heating the adhesive over 100\u00b0C allows ease of removal for rework.<\/p>\r\n\r\n\r\n\r\n<p>The manufacturer evaluated Permabond UV649 and found that in-line dispensing and curing simplified the edge bond process immensely. Instead of adding a separate, independent production line for the strain relief, the manufacturer added the strain relief dispensing into the corner \/ edge bonding automated dispenser, allowing for one UV cure cycle for both applications.<\/p>\r\n\r\n\r\n\r\n<p>Using only one adhesive per production line reduces the chance of workers inadvertently using the wrong adhesive for each application. The versatility of Permabond UV649 makes it ideal for edge bonding, encapsulating, strain relief, and bonding applications in electronics manufacturing.<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>A PCB manufacturer was experiencing some inconsistency in manufacturing, specifically with corner and edge bonding, due to the variability of the underfill process. In addition to increasing the reliability of the process, they also wanted a solution that could be reworked. They came to Permabond with the following top ten product\/process wish list. Wish List [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":3110,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[624,622],"tags":[],"class_list":["post-3104","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electronics-adhesives","category-industry-applications"],"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>Permabond UV649 - Corner \/ Edge Bonding and Strain Relief<\/title>\n<meta name=\"description\" content=\"Permabond UV649 is a high viscosity, fast curing adhesive ideal for edge bonding and other applications in electronics manufacturing.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/permabond.com\/de\/permabond-uv649-corner-edge-bonding-and-strain-relief\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Permabond UV649 - Corner \/ Edge Bonding and Strain Relief\" \/>\n<meta property=\"og:description\" content=\"Permabond UV649 is a high viscosity, fast curing adhesive ideal for edge bonding and other applications in electronics manufacturing.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/permabond.com\/de\/permabond-uv649-corner-edge-bonding-and-strain-relief\/\" \/>\n<meta property=\"og:site_name\" content=\"Permabond\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/permabondEA\/\" \/>\n<meta property=\"article:published_time\" content=\"2022-06-03T13:38:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-31T19:04:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/permabond.local\/wp-content\/uploads\/2022\/11\/UV006490050T0101-scaled-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"2560\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Laurie Gibbons\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@PermabondEA\" \/>\n<meta name=\"twitter:site\" content=\"@PermabondEA\" \/>\n<meta name=\"twitter:label1\" content=\"Verfasst von\" \/>\n\t<meta name=\"twitter:data1\" content=\"Laurie Gibbons\" \/>\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data2\" content=\"2\u00a0Minuten\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Permabond UV649 - Corner \/ Edge Bonding and Strain Relief","description":"Permabond UV649 is a high viscosity, fast curing adhesive ideal for edge bonding and other applications in electronics manufacturing.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/permabond.com\/de\/permabond-uv649-corner-edge-bonding-and-strain-relief\/","og_locale":"de_DE","og_type":"article","og_title":"Permabond UV649 - Corner \/ Edge Bonding and Strain Relief","og_description":"Permabond UV649 is a high viscosity, fast curing adhesive ideal for edge bonding and other applications in electronics manufacturing.","og_url":"https:\/\/permabond.com\/de\/permabond-uv649-corner-edge-bonding-and-strain-relief\/","og_site_name":"Permabond","article_publisher":"https:\/\/www.facebook.com\/permabondEA\/","article_published_time":"2022-06-03T13:38:49+00:00","article_modified_time":"2025-12-31T19:04:11+00:00","og_image":[{"width":1920,"height":2560,"url":"https:\/\/permabond.local\/wp-content\/uploads\/2022\/11\/UV006490050T0101-scaled-1.jpg","type":"image\/jpeg"}],"author":"Laurie Gibbons","twitter_card":"summary_large_image","twitter_creator":"@PermabondEA","twitter_site":"@PermabondEA","twitter_misc":{"Verfasst von":"Laurie Gibbons","Gesch\u00e4tzte Lesezeit":"2\u00a0Minuten"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/permabond.com\/de\/permabond-uv649-corner-edge-bonding-and-strain-relief\/#article","isPartOf":{"@id":"https:\/\/permabond.com\/de\/permabond-uv649-corner-edge-bonding-and-strain-relief\/"},"author":{"name":"Laurie Gibbons","@id":"https:\/\/permabond.local\/#\/schema\/person\/ee2cd0b49e7331ee4adc67eafbdc21f6"},"headline":"Permabond UV649 &#8211; 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