A 4.0 mil. double coated tape featuring R-30 rubber adhesive with a polyester backing used for bonding similar and dissimilar materials, such as rubbers, metals, glass, wood, papers, paints and plastics. R-30 is a pressure-sensitive, firm rubber-resin adhesive system. It features high shear holding power, good high temperature performance, good solvent resistance and good adhesion to a wide variety of materials. 442 tape is not recommended for direct exposure to sunlight or other sources of ultra violet light.