CRL 1/4" x 3/8" x 2" Thermoplastic Rubber (TPR) Setting Blocks Finish:Black 1/4" (6 mm)

1/4" (6 mm)

allows applications with new self-cleaning glass

Mixing small amounts of putty will result in handfuls of putty that are either too dry

Protect from freezing until fully cured

CRL 1/4" x 3/8" x 2" Thermoplastic Rubber (TPR) Setting Blocks Finish:Black 1/4" (6 mm)Compatible 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