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Pressure Sensitive Adhesives Crown stocks a wide variety of pressure sensitive adhesives to accommodate nearly every imaginable application. Crown’s pressure sensitive adhesive systems include: rubber adhesives for UHMW, and acrylic adhesives for UHMW. Rubber based pressure sensitive adhesive systems typically offer the highest adhesion and shear properties in comparison to acrylic or silicone, are best in indoor applications, and work with a wide variety of substrates and satisfy most adhesion requirements. Acrylic based adhesive systems are more versatile than rubber based systems and offer UV stability, higher temperature performance and good to excellent chemical resistance. While rubber based adhesives have a higher initial bond, the acrylic pressure sensitive adhesives go through a 24 hour cure cycle or “wet-out” period where over time, the bond continues to improve. Acrylic adhesive systems are usually a little higher cost but offer longer life than rubber adhesives. |
Silicone based adhesive systems are primarily used for applications requiring very high temperature resistance or for applications where the adhesive will be bonding to a silicone filled material. These pressure sensitive adhesive systems typically do not possess high adhesion and would only be recommended for thin films where thermal expansion or shear will not be an issue. Silicone adhesives are also high priced which may exclude them from competitive situations. 
Crown works with Avery Dennison as a primary supplier of pressure sensitive adhesives but also works with additional adhesive suppliers to handle custom applications or to be able to satisfy a requirement in which a specific adhesive is called out. For information on adhesives or to find out which adhesive will work best for your application, you can talk with one of Crown Plastics' customer service representatives who will be happy to discuss this with you. |
