Butyl Gasket Tape – DM 440™ High-Quality HVAC Gasket Sealing Tape Description DM 440 is a high-quality HVAC butyl gasket sealing tape developed for use with Ductmate’s four-bolt connection systems. This 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 and is also suitable for use with other rectangular flange systems that require a gasket. * Product also available in patches. See spec sheet below for more information. 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 Available in tape or patches Technical Information % SOLIDS: ASTM C771-7498% 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 test50 - 65 SLUMP RESISTANCE:≤0.5" FLEXIBILITY: ASTM C765-73Cold Temperature Passes WATER RESISTANCE:Hydrophobic ELONGATION:≥500% ELONGATION AFTER AGING:≥500% TENSILE STRENGTH: ASTM C907>9 psi</td> </tr> <tr class="row-12"> <td class="column-1"><strong>TACK STRENGTH:</strong><br /> Rolling Ball Tack Test<br /> ASTM D3121</td><td class="column-2"><1"9 psi TACK STRENGTH: Rolling Ball Tack Test ASTM D3121 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: 21CFR175.105Meets requirements Related Resources To view all related resources you must log in or request access. Spec Sheets Ductmate 440 Gasket Tape Spec Sheet Safety Data Sheets Ductmate 440 Gasket Tape SDS MDS Sheet Related Products Neoprene Gasket Tape Sticky Tape DM ‘25’/’35’/’45’® Self-Sealing Rectangular Duct Connector System WDCI™ J&H Duct Connector System
