Heng's NuFlex 302 General Purpose Silicone Sealant is a 100 Percent RTV, NSF Approved, acetoxy sealant designed for multiple uses. Specifications•Used To: Seal Narrow Seams•Caulk Type: Silicone•Paintable: No•Color: Clear•Unit Size: 10 Ounce•Unit Type: Cartridge•Unit Quantity: Single UV Resistant Withstands Extreme Temperatures Permanently Flexible | Heng's NuFlex General Purpose Silicone Sealant