4377M ' 4380M adhesive tapes Adchem Corp., a leading manufacturer of pressure-sensitive adhesive tape systems, has expanded its foam bonding solutions to the automotive industry. The most recent 4377M ' 4380M adhesive tapes bond applications with stringent insulation and sound reduction requirements. The 4377M is designed with a high tack, high peel, moderate shear rubber-based adhesive coating on the linear side; a high-tack, low shear acrylic adhesive coating on the exposed side and a 0.5 mil polyester carrier to facilitate die cutting. The adhesive coating has an exposed side of 1.3 mils and a liner side of 1.4 mils. The 12-pt natural polycoated kraft liner is well-suited for kiss cutting. The higher caliper exposed side of 4380M provides improved temperature resistance. The tapes' unique design allows for bonding to more than 30 foam materials, including urethanes, epichlorohydrins and EPDM blends. The linear side bonds to talc-filled polypropylene, mica-filled polypropylene, and mineral-filled nylon surfaces.
