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Why are contact cements applied to both surfaces before the surfaces are joined?
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adhesive
Overview of how glue and other adhesives work.
Contact cements are applied to both surfaces to facilitate the formation of a strong, immediate bond upon contact. These adhesives are typically based on solvent solutions of neoprene.
The process requires the solvent to evaporate from both surfaces before they are joined. Once the solvent has evaporated, the treated surfaces can be pressed together to create a durable bond that offers high resistance to shearing forces. This method is widely utilized in industries such as automotive assembly, furniture manufacturing, and the application of decorative laminates.1