CRL 1/4" x 1/2" x 2" Thermoplastic Rubber (TPR) Setting Blocks Glass Thickness Measuring Tools & Meters It contains adhesion promoting additives

It contains adhesion promoting additives for excellent glass-to-glass adhesion

waterproofs and insulates most materials

Perfect for dispensing low to high viscosity materials

Reusable and Washable

then wipe off

CRL 1/4" x 1/2" x 2" Thermoplastic Rubber (TPR) Setting Blocks Glass Thickness Measuring Tools & Meters It contains adhesion promoting additivesCompatible 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