CRL 1/2" x 1/2" x 2" Thermoplastic Rubber (TPR) Setting Blocks Finish:Black and also used by the

and also used by the auto glass industry for windshields

Dow Corning 999-A is intended for building construction applications

and other common building substrates

non-structural glazing of glass

one should not consider this protection to be absolute or effective in all conditions

CRL 1/2" x 1/2" x 2" Thermoplastic Rubber (TPR) Setting Blocks Finish:Black and also used by theCompatible With Silicone, Butyl, Polyurethane, and Polysulfide Sealants UV Stabilized CRL Thermoplastic Rubber (TPR) Setting Blocks are compatible with almost anything, meaning you can use them in designs calling for the use of modern structural glazing sealants. They are formed of a 90 durometer shore hardness thermoplastic rubber that performs as well as traditional neoprene setting blocks. They are available in the most popular sizes of neoprene