Silicone Sealant Color Gray Application HVAC Duct and Electrical Container Size 10 oz Container Type Cartridge Resistance Properties Crack Resistant Mildew Resistant Mold Resistant Nonshrinking Ultraviolet Resistant Waterproof Standards ASTM C920 FDA 21 CFR 177.2600 NSF/ANSI 51 TTS001543A Elongation Not Applicable Full Cure Time 1 day Maximum Performance Temperature 475 Degrees F Minimum Performance Temperature -40 Degrees F Working Time 10 min