Air master 32-17 Acrylic Duct Sealant its an economical high performance, water based duct sealant designed for use in high, medium and low velocity duct system. It is environmentally safe and contains no hazardous ingredient. Air master 32-17 has a creamy consistency that allows for excellent coverage. It cure to tough, tack-fre flexible sealant that can withstand handling and with vibration. Air master 32-17 provides excellent strength, Flexibility and resistance to heat and cold, forming a seal against air leakage. Available with Gray & White colour.