Foster® 32-17 Safety Duct Sealant is excellent weather resistance, low water vapor presence and good water resistance, allowing it to be used outdoor and in high humidity environments. It is U.V. resistant. When dry, it may be painted with good quality water-based paint.
Safety Duct Sealant may be pressure tested within 16 hours dry time above 70F (21C) and below 60% RH. It quickly forms a strong bond to galvanized, aluminum or mild steel metal ducts. It has a mild odor when wet.
Safety Duct Sealant complies with current requirements regarding use in meat and poultry processing areas under federal inspection. Letter of compliance is available upon request.