C.R. LAURENCE 999ABL CRL Black Dow Corning 999-A Silicone Building & Glazing Sealant. Dow Corning 999-A is a one-part acetic cure silicone sealant that cures in the presence of atmospheric moisture to produce a durable and flexible wet glazing and curtainwall seal. It is designed for conventional glazing of glass and plastic, curtainwall sealing, solar panels, and replacement glazing.. Part Numbers Variations: 999ABL

• Is Discontinued By Manufacturer ‏ : ‎ No
• Package Dimensions ‏ : ‎ 11.5 x 2.01 x 2.01 inches; 12.8 ounces
• Date First Available ‏ : ‎ October 5, 2007
• Manufacturer ‏ : ‎ C.R. LAURENCE