![]() Adhesives Applications- 7016B, 65016B, and 7316Bĭouble Coated Film Tapes This section is broken down by surface energy classification since there are more double coated film tapes than any other type.Saint Gobain Norbond® Acrylic Foams – especially the new A7600.3M VHB – the VHB portfolio contains almost 100 products and they are all excellent!.Here they are: Double Coated Foam Tapes Acrylic Foam Tapes ![]() There are, however (in my opinion) a group of “best in class” or “go-to” tapes that are a great starting point for many applications. “Go-To” Product Recommendations In the introduction, I stated that it is impossible to pick only one “strongest double coated tape” due to the high degree of variability and performance requirements encountered in each application. Will there be any exposure to UV light, chemicals, or moisture? These factors along with temperature and the various forces outlined in question 4 will create the operating environment for the tape.What are the application temperature and service temperature? What are the conditions where the tape is applied and what high or low temperatures will be encountered during service life? Some tapes work exceptionally well at low temperatures and others have excellent high-temperature performance.Better wet out will yield higher bond strengths. Is the bonding surface rough or smooth? Rough surfaces usually require tapes with higher adhesive coat weights or thicknesses to allow the adhesive to flow into surface irregularities and provide better wet out.If you can identify these forces, you can choose a tape that will maximize your chances for success. What stresses or loads will be present in the application? The forces can include shear, tensile, cleavage, and peel.Are there any gaps to fill? The tape must have the right gap-filling ability for any uneven or non-planar surfaces.Different classes of materials act very differently. ![]() You have to identify what you want to bond together so you pick the best candidates.
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