Hercules Product Info
Hercules Product Id BUTYL5
Product Description BUTYL #21046 20x500'ROLL/CTN
Unit of Measure CN
Manufacturer Info
Manufacturer Name Duro Dyne
Brand Name Duro Dyne
Part Number 21046
Product UPC 797582084466
Product Description Duro Dyne 21046 Gasket, 5/16 in THK, Butyl Rubber
Product Features
Butyl gasket is used in tape and bead form to seal transverse duct connections systems helping to provide a moisture and air tight seal. This tighter seal also helps reduce energy waste and noise. BTL316 Butyl gasket is used in tape and bead form to seal transverse duct connection systems helping to provide a moisture and air tight seal. It is a dark gray permanently soft, non-drying tape sealant compound which contains virgin butyl polymer to enhance its sealing properties and aging characteristics. It is formulated to retain low temperature operating properties. BTL316 Butyl gasket will not crack or separate while being applied at low end of temperature usage range, however, it is recommended that the material be stored at moderate temperature to enhance its application characteristics. When stored at warehouse conditions, it will remain usable for a prolonged period. BTL316 Butyl gasket will adhere to most clean, dry surfaces such as steel, galvanized steel, aluminum, plastic, wood and concrete. The product is nonhazardous and non toxic.
Duro Dyne Butyl gasket can withstand movement without cracking
Adheres to most dry, clean surfaces such as steel, aluminum, plastics, wood and concrete
Excellent resistance to water, alcohols, mild acids and mild bases
Non-corrosive
All Duro Dyne Butyl gasketing is considered a non-irritant for "appraisal of the safety of chemicals in food, drugs and cosmetics"
Excellent sealant for HVAC, as well as many others industries
Remains pliable and will not crack or separate while being applied at low end of temperature usage range; when stored in warehouse conditions, it will remain useable for a prolonged period
Product Documents
Document Type Download Link
Specification Sheet BUTYL5_Specification Sheet (pdf)
Catalog BUTYL5_Catalog (pdf)
Product Specifications
Color Light Gray
Length 25 ft
Material Butyl Rubber ft
Temperature Rating -40 to 249 deg F
Thickness 5/16 in
Width 5/8 in