Product HighlightsDyno-Seal™ 181 is a versatile, all purpose duct sealant for use on all types of metal duct, glass fiber duct board, and flex duct, as well as duct fabric and flexible tubing runouts. DOS-181 incorporates a built-in polyester reinforcement for exceptional strength, with UV inhibitors for outdoor use.
California residents: see Proposition 65 Warning
Weight 11.75 Pounds Length 7.75 Inches Width 7.75 Inches Height 7.50 Inches Country of Origin USA Brand Hardcast/Carlisle Service Temperature -20°F to 200°F (-28.8°C to 93.3°C) Solvent No Application Temperature Not Provided Coverage Up to 320 lin. Ft. at 3" width, 20-mil thickness Dry Time 48 Hrs Shelf Life 1 Year Unopened Solids Content 73.4% Storage Temperature Not Provided Flexibility Passes 1/4" mandrel bend Application Brush, Putty Knife, Caulk Gun or Trowel Approvals UL 181 A-M, UL 181 B-M, UL 723 & City of Los Angeles Base Synthetic Latex Color Gray Composition Not Provided For Use With Not Provided Functions Duct Sealant Ratings Not Provided Size 1 Gallon Standards ASTM E-84, ASTM C-731, ASTM D-2202 & SCAQD Rule 1168 Type Liquid Sealant Viscosity Thixotropic UL Listed No UL Recognized No
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