CRL 3/8" x 1/2" x 2" Thermoplastic Rubber (TPR) Setting Blocks Sealant Accessories ASTM C-1085

ASTM C-1085

ASTM C1193

including two-part silicones

Where bond gaps are large

bedding for mullions

CRL 3/8" x 1/2" x 2" Thermoplastic Rubber (TPR) Setting Blocks Sealant Accessories ASTM C-1085Compatible 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