• Specially Formulated for the Manufacture of Dual Seal Insulating Glass Units
• Excellent Glass-to-Glass Adhesion
• Screw-On Nozzle
• Resistance to UV Light and Weather Extremes

CRL Insulating Glass Silicone is a single component, neutral cure silicone glass sealant specifically designed for producing long lasting insulating glass units when used with a primary seal of polyisobutylene. It contains adhesion promoting additives for excellent glass-to-glass adhesion, and is resistant to ultraviolet light and weather extremes. It has a functional temperature range of -80°F to 400°F (-62°C to 204°C).

It is available in easy-to-use 10.3 fl. oz. (305 ml) cartridges or 52 gallon drums for bulk dispensing. This product is black in color. Tack-free time is 30 minutes; fully cures 1/8" (3 mm) thickness in 24 hours. Units may be cautiously moved after 24 hours. Full strength is obtained in seven days.

TECHNICAL DATA: Meets or exceeds Federal Specifications TT-S-1543A, Class A (COM-NBS) for silicone building sealants; TT-S-00230C, Class A (COM-NBS) for one-component silicone sealants; ASTM C-920 for elastomer joint sealants, Type S, Grade NS, Class 25, Use NT, G, A; CGSB 19GP-13.

Product Warning:

Recommended for dual seal units only with Polyisobutylene (PIB) Tape as the primary seal. Check cartridge label and Specification Data Sheet for additional limitations.