Duct-Seal 321 is a GREENGUARD Gold Certified all-purpose industrial-grade duct sealant for all types of metal duct, fiberglass duct board, duct fabric and fl ex duct. It includes UV inhibitors for extended outdoor exposure and built-in fiber reinforcement for added strength. This non-toxic water-based product is solvent free and is suitable for residential use.
FEATURES & BENEFITS
• Color Gray • Consistency Smooth creamy texture • Base Synthetic latex • Solvent Water • Weight per Gallon 10.6 lbs. • Solids Content 65% • Viscosity Thixotropic • Coverage Per gal.: Up to 320 lin. ft. at 3" width,20-mil thickness 11 oz containers: 130 lineal ft. per 11.0 fluid oz. tube, ⅛" bead (40 m per .325 liter tube, 3.2 mm bead.) • Shore A Hardness >20 • Flexibility Passes ¼-in. mandrel bend • Time to Test 48 hours* • Service Temperature -20°F to 200°F • Weather Resistance Weather resistant • Mildew Resistance Mold & mildew resistant • VOC Exempt: 0 g/l Non-Exempt: 93 g/l (less water) • Pressure Classes 16" W.C. - 3rd Party 24 Hr (5/8" Diam.) • Seal Class • Freeze/Thaw Stability • Meets Seal Class A • Passed 5 Cycles
