3M Scotch-Weld Epoxy Adhesive 2216 is a high-performance, general-purpose epoxy adhesive made to stand up to demanding conditions and environments, such as in the transportation, construction, general aerospace, and appliance repair industries. Its high-strength formula is designed to perform with long-lasting results in conditions involving shock, vibration, and flexing, among other thermal elements. A wide range of substrates can be used with this epoxy to provide a secure bond including, metals, masonry, ceramic, glass, metal, and most plastics, and more. 3M Scotch-Weld Epoxy Adhesive 2216 is easy to use, requiring an even mixture of parts A and B and providing product consistency that minimizes dripping and product loss, while providing self-leveling. The working time is 120 minutes, allowing for correct product placement, repositioning, or adjustments. This epoxy will cure in approximately seven days at 75 F (24 C) or in 60 minutes when heat curing is used at a temperature of 200 F (93 C).When using a Duo-Pak (DP) size adhesive, rely on 3M dispensing equipment for convenient and accurate metering, mixing and dispensing.
Maintains a Strong Bond Under Expansion, Contraction, and Limited Movement:
3M Scotch-Weld Epoxy Adhesive 2216 Translucent is designed for applications where high performance and flexible bonds are required. Its flexibility makes it ideal for applications involving dissimilar surfaces and where differing coefficients of thermal expansion are a consideration. Once fully cured the epoxy maintains an extremely strong bond under expansion, contraction and limited movement while also maintaining a good retention of strength over time and after environmental aging. With a 2:3 mix ratio it is a low viscosity epoxy. It flows smoothly for accurate dispensing. Both the base and accelerator are coded in contrasting colors to ensure you know which half of the product you are using. 1. Cryogenic bonding applications where bonded agents might experience temperature extremes. 2. Potting where expansion and thermal changes may occur, such as solar panels and appliance or construction applications. 3. Military bonding applications, for example bonding parts on movable transports. 4. General aerospace and transportation bonding where vibrations and movement are common. 5. Bonding ceramic, most plastics and glass to metal. 6. Attaching various substrates to masonry and stone.
Excellent for Cryogenic Bonding Applications: 3M Scotch-Weld; Epoxy Adhesive 2216 Tan performs under extremely frigid temperatures. Because it can withstand temperatures up to -423F (-252C), it is ideal for cryogenic bonding applications. At room temperature it offers a 90 minute work life to allow for repositioning and adjustments. It will slowly cure over 7 days, but can be heat cured to reduce this to as little as 30 minutes (at 200F/93C.) It has a bonded shear strength that can withstand up to 3,200 psi at 72F.
Understanding Epoxy Adhesives;Epoxy adhesives, including 5 minute epoxy, are part of the class of adhesives called "structural adhesives"; which include polyurethane, acrylic, cyanoacrylate and others. Epoxies are formulated as liquid reactive polymers that undergo a chemical reaction when mixed and then cure to form a solid plastic material. 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. This work life lasts anywhere from a few minutes to several hours. These structural adhesives provide high shear and peel strengths, depending on the formula, and better heat and chemical resistance than other common adhesives. In general, epoxy adhesives have the highest overall strength and offer the best performance and most resistance to high temperatures, solvents and outdoor weathering.
Epoxy adhesive (often referred to as epoxy glue) is widely used in building and home construction; aircraft and automobile manufacturing; bicycle, boat, golf clubs, ski and snowboard assembly as well as a host of home use and other applications. It is used virtually anywhere high-strength bonds are needed along with resistance to environmental conditions. These adhesives are popular for their ease of use, mechanical strength and chemical resistance.
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