{"id":2824,"date":"2017-09-22T09:17:26","date_gmt":"2017-09-22T09:17:26","guid":{"rendered":"https:\/\/permabond.com\/acrylics\/"},"modified":"2026-01-07T13:59:55","modified_gmt":"2026-01-07T13:59:55","slug":"acrylics","status":"publish","type":"post","link":"https:\/\/permabond.com\/pt-br\/acrylics\/","title":{"rendered":"What are structural, tough, second generation, & reactive acrylics?"},"content":{"rendered":"

What is the difference between a structural, toughened, second generation, and reactive acrylics?<\/h2>\n

They are all structural acrylics!\u00a0 Adhesives have so many common and technical names it can be difficult to know how to compare them.<\/p>\n

Structural adhesives form bonds that can bear structural loads. Generally, structural adhesives are epoxy or acrylic.\u00a0 If the adhesive is acrylic in nature, we call them structural acrylic adhesives.<\/p>\n

Toughened adhesives contain a toughener, such as rubber or an elastomer.\u00a0 The toughener reduces the likelihood of adhesive fracture, thereby improving peel, tensile, and impact resistance.\u00a0 Three common types of toughened adhesives are toughened cyanoacrylates, toughened epoxy adhesives, and toughened acrylic adhesives.\u00a0 Toughened acrylic adhesives are also called second generation acrylic adhesives.<\/p>\n

I prefer to avoid the term “reactive adhesive” because it could have multiple meanings.\u00a0 Some people use reactive adhesive to define adhesives that cure \u2013 as opposed to dry.\u00a0 Others use the term reactive adhesive to describe adhesives that form chemical bonds with the substrates.\u00a0 Furthermore, others use the term to mean an adhesive that forms a permanent bond.<\/p>\n

Another method of characterizing acrylics is by the manner in which they cure.<\/p>\n

Characterization by Cure Method<\/strong><\/h3>\n
    \n
  1. Surface activated, (also known as Surface initiated, and Two part no-mix acrylics) –\u00a0 These cure when you apply activator (initiator) to one surface and the acrylic resin to the other surface \u2013 upon joining cure begins.\u00a0 These products develop strength rapidly \u2013 making them ideal candidates for high speed production.<\/li>\n<\/ol>\n

     <\/p>\n

    \"Structural<\/p>\n

     <\/p>\n

    2. Two component acrylics, 2K acrylics, 2 part acrylics are terms that usually refer to two components that require mixing of some sort.\u00a0 Mixing via static mix nozzles is ideal.<\/p>\n

     <\/p>\n

     <\/p>\n

     <\/p>\n

     <\/p>\n

    \"Structural<\/p>\n

     <\/p>\n

     <\/p>\n

    3. Certain two part acrylic adhesives achieve enough mixing by dispensing a bead of one component on top of a bead of the other component and joining.<\/p>\n

     <\/p>\n

     <\/p>\n

    \"Structural<\/p>\n

     <\/p>\n

    4. External mix specialty acrylic adhesives free-fall together about 15 inches above the parts.<\/p>\n

     <\/p>\n

     <\/p>\n

     <\/p>\n

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

    What is the difference between a structural, toughened, second generation, and reactive acrylics? They are all structural acrylics!\u00a0 Adhesives have so many common and technical names it can be difficult to know how to compare them. Structural adhesives form bonds that can bear structural loads. Generally, structural adhesives are epoxy or acrylic.\u00a0 If the adhesive […]<\/p>\n","protected":false},"author":6,"featured_media":2825,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[614,867],"tags":[97,509,292,364,100,510,511],"class_list":["post-2824","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-adhesive-types-2","category-structural-acrylic-adhesives","tag-mma","tag-reactive-acrylic","tag-structural-acrylic","tag-structural-acrylic-adhesives","tag-structural-adhesive","tag-structural-adhesives","tag-toughened-acrylic"],"acf":[],"yoast_head":"\nWhat are structural, tough, 2nd generation, & reactive acrylics?<\/title>\n<meta name=\"description\" content=\"Structural Acrylics are defined by the adhesive cure method. 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