Ductmate DM 440 Gasket Tape – Premium Grade Butyl Sealing Tape – Sold by the Foot

High-quality sealing tape for use with Ductmates 4-bolt connection systems. Also suitable for use with other rectangular flange systems that require a gasket.

This product is a high-quality sealing tape developed for use with Ductmates 4-bolt connection systems. Ductmate 440 tape has the widest range of application temperatures of any material on the market, ensuring a positive seal and ease of application under extreme conditions.

Features

• Size: 3/16″ x 5/8″
• Length: 500 Ft (20 x 25 Ft rolls)
• Special Characteristics: This compound has a polymer content that is derived from butyl and a proprietary co-polymer. The plasticizers are of the Polyisobutylene and Polybutene type and permit no oxidation or migration. The fillers are inert and are used mainly as extenders and process aids and to a lesser extent as reinforcing pigments. The remaining compound consists of antioxidants and organic processing aids.
• Wide range of application temperatures
• Works under extreme conditions
• Non-hardening
• LEED compliant
• Good adhesion to galvanized, aluminized, stainless steel, and other metal surfaces

HSX1200025