These cloth duct tapes all have a backing of waterproof polyethylene film with a carrier of polyester/cotton blend and a natural rubber adhesive, up to 10% elongation and a maximum temperature of 200°F.

An extra heavy-duty, waterproof, polyethylene-coated, cloth duct tape that has superior tack and a rubber adhesive. Designed to meet or exceed all UL standard 181B-FX requirements; has its listing and product identification code printed on the backing.

• Thickness: 14 mils
• Tensile strength: 45 lbs./in. width
• Elongation: 8%
• Adhesion to stainless steel: 50 oz./in. width
• Applications: designed specifically for the HVAC industry for use on all class 1 flexible duct connections