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Pressure Sensitive Adhesive (PSA)

Pressure Sensitive Adhesive (PSA)

An adhesive system, which can be applied to the foam to adhere the foam part to another substrate by removing the paper backing. PSA is an adhesive which forms a bond when pressure is applied to marry the adhesive with the product(s) you are attempting to bring together. No solvent, water, or heat is needed to activate the adhesive. As the name "pressure sensitive" indicates, the degree of bond is influenced by the amount of pressure which is used to apply the adhesive to the surface. Surface factors such as smoothness, surface energy, removal of contaminants, etc. are also important to proper bonding. PSA’s are usually designed to form a bond and hold properly at room temperatures. PSA’s typically reduce or lose their tack at cold temperatures and reduce their shear holding ability at high temperatures; specialty adhesives are made to function at high or low temperatures. It is important to choose an adhesive formulation which is designed for its intended use conditions. Since the adhesion or “tackiness” can be changed, we can work with you to help you determine how “tacky” the PSA needs to be for your application.

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