C810 is the same low density product; coated on the opposite laminating side with a pressure-sensitive adhesive.
Gaska Tape's C800 Series line of cling foam offers a choice of materials depending upon the requirements of the application. The C800 Series is low density closed-cell Polyvinyl Chloride foam with the unigue ability to bond to non-porous surfaces without an adhesive. It comes on a special high-gloss paper to protect the cling surface. Cling Foam? leaves no residue when removed.