CRL Dual Hytrel Cup Caulks & Accessories Will Not Harden or Lose

Will Not Harden or Lose Flexibility

Basic Uses - CRL 43S Silicone is especially designed for joining and sealing most non-porous building materials including a variety of structural materials: glass

CRL M66 conforms to and passes:

Meets or exceeds Federal Specifications TT-S-001543A (COM-NBS) Class A for silicone building sealants

curtainwall sealing

CRL Dual Hytrel Cup Caulks & Accessories Will Not Harden or LoseReplaces Worn Leathers in Bulk Load Guns The most commonly worn out component part in bulk caulking guns are the leather cups. CRL Dual Hytrel Cups replace the leather cups found in most 2" (51 mm) diameter barrels. Product images shown are of the actual product or a close representation. Colors can vary depending on your computer's video card and on how your monitor's color is adjusted.