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Butyl Gasket Tape & Patches - DM 440™
Butyl Gasket Tape & Patches - DM 440™
No items found.
Butyl Gasket Tape & Patches - DM 440™
Butyl Gasket Tape & Patches - DM 440™
No items found.

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 C771-74 >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 00 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

Related Resources

Related Products

Neoprene Gasket Tape

Sticky Tape

DM ‘25’/’35’/’45’® Self-Sealing Rectangular Duct Connector System

WDCI™ J&H Duct Connector System

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Charleroi, PA

210 Fifth Street

Charleroi, PA 15022

Phone: 800-990-8459

Fax: 724-258-5494

Contact us

Manufacturing Locations

E. Monongahela, PA

1502 Industrial Drive

E. Monongahela, PA 15063

Phone: 724-258-0500

Lodi, CA

810 S Cluff Avenue

Lodi, CA 95240

Phone: 209-333-4680

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300 SE 15th Street

Wagoner, OK 74467

Phone: 918-201-7022

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