{"id":2426,"date":"2016-09-30T00:40:58","date_gmt":"2016-09-30T00:40:58","guid":{"rendered":"https:\/\/permabond.com\/pleased-meet-glue\/"},"modified":"2025-02-11T19:11:30","modified_gmt":"2025-02-11T19:11:30","slug":"pleased-meet-glue","status":"publish","type":"post","link":"https:\/\/permabond.com\/de\/pleased-meet-glue\/","title":{"rendered":"Pleased to meet you.  How do you glue?"},"content":{"rendered":"<p>Adhesives (glue) are quickly becoming the go-to method of lightening (or weight reduction).\u00a0 Reducing weight has been a goal in transportation for many years.\u00a0 Many engineers in the transportation industry are well-versed in what steps to take to ensure proper adhesive selection.\u00a0 The benefits of lightening are spreading through many industries. The goal for some industries is the savings from reduced shipping costs, for others, like sports equipment, the lighter assemblies are a performance gain.\u00a0 Some engineers new to lightening with adhesives find adhesive selection to be unnerving.<\/p>\n<p>One engineer called us to review the possibility of switching his process from welding to bonding as they wanted to reduce the thickness of the steel.\u00a0 The thick steel was costly, and it was overkill. The only reason for the excess was to allow the weld without warp or distortion.\u00a0 The engineer was a bit anxious as the project was running behind schedule.\u00a0 As I introduced myself, he shook my hand and said, \u201cHow do you glue? Do, I meant do. How do you do?\u201d<\/p>\n<p>There is no need for adhesive anxiety or glue jitters.\u00a0 Following is a preliminary list of questions adhesive manufacturers will likely ask about your application.\u00a0 They can be split into three basic categories.<\/p>\n<h2>Our Questions<\/h2>\n<ol>\n<li>What are you manufacturing?<\/li>\n<li>How would you like to do that?<\/li>\n<li>What does the item need to withstand?<\/li>\n<\/ol>\n<p>In each section, there are likely questions that have some maybe answers \u2013 that\u2019s ok \u2013 maybe or I\u2019m not sure yet are perfect answers.\u00a0 Adhesive specialists prefer to start discussing a new design or a redesign of an item early in the process.\u00a0 They may be able to save you some time, steer you to readily bondable substrates or contribute to joint design ideas that will serve you.\u00a0 Don\u2019t worry about what you don\u2019t know yet, start the conversation with what you have.<\/p>\n<ol>\n<li>\n<h3>What are you manufacturing?<\/h3>\n<\/li>\n<\/ol>\n<ul>\n<li>\n<h5>What are you making? \u2022 What is the end item?<\/h5>\n<\/li>\n<\/ul>\n<p>Often simply explaining what you are making (a motor) and what the end item is (a can opener) answers many of the other questions.\u00a0 Motors come in all shapes and sizes with varying temperature resistance.\u00a0 <a href=\"https:\/\/permabond.com\/industries_served\/electric-motors-adhesive\/\">There are full lines of adhesives for motor bonding.<\/a>\u00a0 Knowing this motor is going into a can opener helps the adhesive specialist get a visual idea on size and temperature requirements.\u00a0 For example, they will know that this motor won\u2019t need to withstand the cold temperatures of the dark side of the moon (however, if this is a lunar can opener \u2013 do share.)<\/p>\n<ul>\n<li>\n<h5>Surface composition of products to be bonded \u2022 Any surface treatments used<\/h5>\n<\/li>\n<\/ul>\n<p>For example, if you are bonding metal, is it painted?\u00a0 If bonding aluminum, is it anodized?\u00a0 Have you abraded or treated the surface in another way?\u00a0 Depending upon the application, we may want to know how thick the substrate is.\u00a0 Even though we are only bonding to the very top surface, understanding the thickness helps to determine if the stresses will be in peel or shear and if we need to ensure read-through is not an issue.\u00a0 Read-through is when the bond line shows through the substrate.\u00a0 Examples of applications where we would need to be mindful of read-through include truck panel bonding, office furniture panel bonding, etc. Read-through can be eliminated by using specialty adhesives with <a href=\"https:\/\/permabond.com\/ms-polymer-environmental-resistance\/\">high elongation.<\/a><\/p>\n<p>Again, this may be a maybe \u2013 for example, if you are currently using a thick steel and are hoping to reduce the thickness, you may not be sure yet what the thickness will be.\u00a0 If you are switching to plastic and have a couple of options \u2013 let the adhesive specialist know what the options are.<\/p>\n<ul>\n<li>\n<h5>What is the gap between the pieces?<\/h5>\n<\/li>\n<\/ul>\n<p><a href=\"https:\/\/permabond.com\/maximum-gap-fill-adhesive\/\">Maximum gap fill<\/a> of an adhesive can be related to cure depth, bond strength, and viscosity.\u00a0 Understanding the gap-fill requirements is helpful in selecting an adhesive.\u00a0 Some adhesives only cure to a certain depth whereas others can fill very large gaps but the overall strength may be reduced.<\/p>\n<ul>\n<li>\n<h5>Surface area to be bonded (i.e. sq.in, cm, mm, etc)<\/h5>\n<\/li>\n<\/ul>\n<p>Surface area bonded helps us determine the overall strength we expect to be able to achieve.\u00a0 But it can also help determine which type of adhesive is best.\u00a0 For example, if spreading over a large area, we may require a product with a delayed set time to provide enough time for application and assembly before the parts begin to cure.<\/p>\n<ul>\n<li>\n<h5>Joint design (lap, butt, etc)<\/h5>\n<\/li>\n<\/ul>\n<p>When switching from welding to bonding, it may be desirable to switch the joint configuration a bit to provide more surface area for the adhesive.\u00a0 So let the adhesive manufacturer know if you are open to design changes.\u00a0 Some typical joints and suggested improvements are shown below.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-3697 size-full\" src=\"https:\/\/permabond.com\/wp-content\/uploads\/2022\/11\/Joints1.png\" alt=\"glue joints1\" width=\"1340\" height=\"714\" \/><\/p>\n<ol start=\"2\">\n<li>\n<h3>How would you like to do that?<\/h3>\n<\/li>\n<\/ol>\n<ul>\n<li>\n<h5>How many assemblies will you manufacture \u2013 will that be inline or batches?<\/h5>\n<\/li>\n<li>\n<h5>Dispensing glue (manual or automated) \u2022 Desired Handling time \u2022 Desired Full cure time.<\/h5>\n<\/li>\n<\/ul>\n<p>Questions about the process or the process you envision help dial in the best cure method.\u00a0 It is important to understand how many and how fast the process will run in order to provide the best possible solution.\u00a0 For example if you plan to make 365 assemblies per year and you are making them one per day.\u00a0 A two component epoxy in a dual cartridge may not be incredibly cost-effective as you will use a new mixing nozzle each day.\u00a0 If, however, you will make all 365 parts in the same day, it could be a good solution.<\/p>\n<p>Similarly, if you are bonding a truck panel, it is a vertical application so we would select products with a high non-sag viscosity so it doesn\u2019t run off the panel before bonding.<\/p>\n<p>So which adhesive is the best answer? For most applications, there is more than one right answer.<\/p>\n<ol start=\"3\">\n<li>\n<h3>What does the item need to withstand?<\/h3>\n<\/li>\n<\/ol>\n<ul>\n<li>\n<h5>Desired bond strength \u2022 Gas or Fluid contact \u2022 Temperature Exposure<\/h5>\n<\/li>\n<\/ul>\n<p>A quick summary of what the bonded part will endure is helpful.\u00a0 Understanding that bond strength is related to temperature and environmental conditions is helpful.\u00a0 What strength in what stress at what temperature for how long in contact with what fluids etc\u2026.Let\u2019s break that down.<\/p>\n<p>What type of stress?\u00a0 peel, impact, tensile, shear, compression etc\u2026<\/p>\n<p>At what speed? \u2013 is it a fast pull in shear or a slow build-up?\u00a0 Is it constant or intermittent?<\/p>\n<p>At what temperature? Is it a slow thermal cycle, or is it a thermal shock? How often? Is it under high stress while at high temperatures?<\/p>\n<p>Under what conditions &#8211; are you going to boil that in oil, sink it in the ocean, or leave it out in the sun, wind, hail, snow and rain?<\/p>\n<p>Note the above are performance conditions, but there are also storage conditions of the bonded part to take into account.\u00a0 Perhaps your assembly will never have contact with water and be used in a temperature and humidity controlled office building.\u00a0 Before we check moisture resistance off the list of requirements let\u2019s be certain these won\u2019t be stored in a damp warehouse in the tropics.\u00a0 Similarly where bonding materials with different coefficients of thermal expansion and contraction we should understand shipping and storage extremes \u2013 even if the actual in use conditions are a comfy 70F.<\/p>\n<h3>Contact Permabond<\/h3>\n<p>I\u2019ve seen and written numerous questionnaires for adhesive selection forms.\u00a0 None of them replace a conversation with an adhesive specialist.\u00a0 Again, don\u2019t worry about not having all of the answers \u2013 simply start the conversation. If you can\u2019t meet in person, send drawings or pictures.\u00a0 Wherever possible, note which items are requirements and which are things that would be nice to have.\u00a0 You may require a clear adhesive or a specific color match to carbon fiber.\u00a0 Perhaps you require a product that can contact potable water?<\/p>\n<p>Is your adhesive anxiety or glue gitters gone yet?\u00a0 <a href=\"https:\/\/permabond.com\/contact-us\/\">Contact Permabond<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Adhesives (glue) are quickly becoming the go-to method of lightening (or weight reduction).\u00a0 Reducing weight has been a goal in transportation for many years.\u00a0 Many engineers in the transportation industry are well-versed in what steps to take to ensure proper adhesive selection.\u00a0 The benefits of lightening are spreading through many industries. The goal for some [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":2295,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[607,612],"tags":[42,447,182,448,449],"class_list":["post-2426","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-adhesive-selection-and-use","category-tips","tag-adhesives","tag-bond","tag-glue","tag-lightening","tag-weight-reduction"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Pleased to meet you. How do you glue? - Permabond<\/title>\n<meta name=\"description\" content=\"Glue - The lighter side of lightening. 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When not sniffing glue, she can normally found making or growing stuff.","jobTitle":"Business, Marketing & Product Manager"}]}},"_links":{"self":[{"href":"https:\/\/permabond.com\/de\/wp-json\/wp\/v2\/posts\/2426","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/permabond.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/permabond.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/permabond.com\/de\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/permabond.com\/de\/wp-json\/wp\/v2\/comments?post=2426"}],"version-history":[{"count":0,"href":"https:\/\/permabond.com\/de\/wp-json\/wp\/v2\/posts\/2426\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/permabond.com\/de\/wp-json\/wp\/v2\/media\/2295"}],"wp:attachment":[{"href":"https:\/\/permabond.com\/de\/wp-json\/wp\/v2\/media?parent=2426"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/permabond.com\/de\/wp-json\/wp\/v2\/categories?post=2426"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/permabond.com\/de\/wp-json\/wp\/v2\/tags?post=2426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}