Butyl Gasket Tape – DM 440™
High-Quality Gasket Sealing Tape
Description
This product is a high-quality HVAC butyl gasket sealing tape developed for use with Ductmate’s four-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. Also suitable for use with other rectangular flange systems that require a gasket.
Special Characteristics
- Wide range of application temperatures
- Works under extreme conditions
- Non-hardening
- LEED® compliant
- Good adhesion to galvanized, aluminized, stainless steel, and other metal surfaces
Technical Information
| % SOLIDS: ASTM C771-74 | >98% |
| COLOR: | Off-White |
| DENSITY: | 12.7 +/- 0.3 |
| VOC CONTENT: | 0 g/l per ASTM D-2369 37 g/l per Modified EPA Method 24 |
| SHORE OO HARDNESS: Two second test | 50 - 65 |
| SLUMP RESISTANCE: | ≤0.5" |
| FLEXIBILITY: ASTM C765-73 | Cold Temperature Passes |
| WATER RESISTANCE: | Hydrophobic |
| ELONGATION: | ≥500% |
| ELONGATION AFTER AGING: | ≥500% |
| TENSILE STRENGTH: ASTM C907 | >9 psi |
| TACK STRENGTH: Rolling Ball Tack Test ASTM D3121 | <1" |
| SERVICE TEMPERATURE: | 0°F to 190°F |
| APPLICATION TEMPERATURE: | Above 40°F |
| DIMENSIONAL TOLERANCES: | Tape Width 5/8" +/- 1/32" |
| U.S.D.A. ACCEPTABILITY: | Product chemically acceptable to the U.S. Department of Agriculture for use in meat and poultry processing areas under Federal inspection. |
| FDA REQUIREMENTS: 21CFR175.105 | Meets requirements |