... two kind of acrylic foam tape which depends on the base material:1, acylic foam + acrylic glue ... , 1.6mm, 2.0mm, 3.0mm.color of the glue: white, gray, black, transparent.features: waterproof, anti shock, ... it has excellent adhesion power and holding power on the surfaces of steel, wood, plastic, paper.usage:electronic ... and less. this one is more cheaper than the previous one. Acrylic foam tape/foam tape/ ...