3M™ Polyethylene Tape 921CW is a transparent surface protection tape coated with a high shear acrylic adhesive featuring excellent holding properties and cold stick. Specifically designed as a protection and masking tape, it can also be used for home weatherization by direct application to plastic storm windows, door jambs and window casings.
3M™ Polyethylene Tape 921CW is transparent and highly conformable, ideal for protecting and masking surfaces. The transparent polyethylene backing stretches easily for a tight seal over and around surfaces. It boasts very high shear and a UV resistant acrylic adhesive system with excellent holding properties and cold stick. The smooth polyethylene backing provides good solvent and alkali resistance, making it excellent for use in film can and ink container sealing applications.
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In our 3M Industrial Adhesives and Tapes Division, we apply the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, our technologies help customers like you deliver competitive products to the market faster and more efficiently.