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  6. 3M™ Scotch-Weld™ Epoxy Adhesive EC-2216 B/A, Gray, 43 ml Cartridge, 12/Case

3M™ Scotch-Weld™ Epoxy Adhesive EC-2216 B/A, Gray, 43 ml Cartridge, 12/Case

3M Product Number EC-22163M ID 87250003529
  • A flexible, two-part, room temperature curing epoxy with high peel and shear strength. Is identical to 3M™ Scotch-Weld™ Epoxy Adhesive EC-2216 B/A in chemical composition. Has been labeled, packaged, tested, and certified for aircraft and aerospace applications
  • Cures at room temperature and provides high strength bonds with exceptional performance in shear and peel. It can be used to bond rubber, metal, wood, most plastics and masonry products. Good retention of strength after environmental aging. Resistant to extreme shock, vibration and flexing
  • Excellent for bonding many metals, woods, plastics, rubbers, and masonry products
  • Base and accelerator are contrasting colors
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Product Details
  • A flexible, two-part, room temperature curing epoxy with high peel and shear strength. Is identical to 3M™ Scotch-Weld™ Epoxy Adhesive EC-2216 B/A in chemical composition. Has been labeled, packaged, tested, and certified for aircraft and aerospace applications
  • Cures at room temperature and provides high strength bonds with exceptional performance in shear and peel. It can be used to bond rubber, metal, wood, most plastics and masonry products. Good retention of strength after environmental aging. Resistant to extreme shock, vibration and flexing
  • Excellent for bonding many metals, woods, plastics, rubbers, and masonry products
  • Base and accelerator are contrasting colors
  • Good retention of strength after environmental aging
  • Resistant to extreme shock, vibration, and flexing
  • Excellent for cryogenic bonding applications
  • The adhesive is non-sag for greater bondline control
  • Excellent for creating bonds that can be used at cryogenic temperatures
  • Widely used for composite laminate edge sealing

Cures at room temperature and provides high strength bonds with exceptional performance in shear and peel. It can be used to bond rubber, metal, wood, most plastics and masonry products. Good retention of strength after environmental aging. Resistant to extreme shock, vibration and flexing.

You can use this high-performance epoxy adhesive to replace mechanical fasteners, screws, rivets and spot welds. 3M™ Scotch-Weld™ Epoxy Adhesive EC-2216 B/A Gray is excellent for bonding a variety of substrates such a metals and many plastics. It can be dispensed in duo-pak cartridges for use with the 3M™ EPX™ Applicator System for minimal waste and professional results. The mix ratio is 2:3 and the adhesive provides a 90 minute work life to allow time to adjust fit prior to setting. The adhesive reaches handling strength in approximately 12 hours and is fully cured in 7 days (at 72° F /22° C), but can be accelerated with heat. This epoxy is excellent for creating bonds that can be used at cryogenic temperatures. It’s widely used for composite laminate edge sealing.

What Are Epoxy Adhesives?
3M™ epoxy adhesives are part of the class of adhesives called "structural adhesives," which also includes polyurethane and acrylic adhesives. Epoxy adhesives are typically formulated with reactive components (Base and Accelerator) that cure when mixed to form a solid plastic material. 3M provides epoxy adhesives in multiple formats to support your processing needs:

Two Part – In this format the Base and Accelerator are stored separately which enables the adhesive to have a long shelf life even when stored at room temperature. These materials are available in a duo-pak cartridges for use with the 3M™ EPX™ Applicator System, enabling you to simultaneously meter, mix and apply two-part adhesives. For larger scale operations, you can purchase these in bulk. Because these parts are mixed at point of use, you can reduce waste by saving non-mixed unused material for a later job.

One Part – In this format, we do the mixing for you and ship it frozen. You store it in a freezer, then remove and thaw it when you’re ready to use it.

Adhesive Films – In this one-part format, we not only do the mixing for you, but we also turn it into a film that can be specifically cut to size and placed into your bond line. We offer a variety of films in different weights/thickness and supports. These films must be stored frozen.

In a two-part epoxy adhesive, once the two parts are mixed in their specified ratio, they begin the curing process and offer a limited working time where the adhesive can be applied and the two surfaces positioned as needed. Similarly, in a one-part adhesive there is a limited out time after which material is thawed during which it must be used. This work life or out time lasts anywhere from a few minutes to 48 hours or longer.

In general, epoxy adhesives provide high shear and peel strengths and have good environmental resistance. These adhesives are preferred for their ease of use, mechanical strength and chemical resistance. Depending on the formulation, epoxy adhesives can be flexible or rigid, transparent or opaque, quick setting or slow setting, high flow or low flow, room temperature or elevated temperature cure. Epoxy adhesives are among the strongest adhesives available, making them well-suited for jobs requiring strength and durability.

Our Best for Your Best
3M is proud to partner with organizations across the spectrum of aerospace and related industries. Enabling efficiencies, reducing process times and lowering aircraft weight is how we execute our never-ending mission to offer best-in-class adhesives, sealants, surface protection products and composite resins that effectively reduce costs on multiple fronts. Professionals across the industry know the numerous advantages of 3M Aerospace. Our brand is widely recognized for the highest standards of quality and performance, adding value to the final results. By engineering reliability, longevity and value into all of our products, we have a history of saving money by reducing waste, rework and time.

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