3M Heavy Duty Duct Tape 3939
3M™ Heavy Duty Duct Tape 3939
Industrial-Grade Duct Tape for Tough Jobs
3M™ Heavy Duty Duct Tape 3939 features a water-resistant polyethylene backing laminated to cloth reinforcement and an aggressive natural-rubber adhesive for high-tack, conformable performance. It tears cleanly by hand—horizontally or vertically—without slivering, making it a reliable choice for fast, durable holds across demanding environments.
High-Tack, Conformable, and Water-Resistant
Engineered for maintenance, repair, and construction operations, 3M™ Heavy Duty Duct Tape 3939 bonds quickly to a wide range of surfaces and stands up to moisture. The cloth-reinforced construction delivers strength with easy unwind and bi-directional hand tear. Common uses include hanging polyethylene drapes for containment activities, masking and protecting against light sandblast overspray, holding and seaming carpet padding, taping down cords, and hinging poster-board panels. The tape can be used in temperatures up to 200°F and has been burn tested per UL 723, ASTM E-84, NFPA 255, and UBC 8-1.
Key Features & Benefits
- Reinforced Construction: Polyethylene-laminated cloth backing provides durability and conformability.
- High-Tack Adhesion: Aggressive natural-rubber adhesive delivers strong, immediate stick.
- Clean Hand Tear: Tears easily and cleanly in both directions without slivering.
- Water Resistance: Backing helps resist moisture for dependable holds in challenging conditions.
- Temperature Tolerance: Usable up to 200°F (93°C).
- Versatile Applications: Ideal for containment drapes, masking, light sandblast overspray protection, carpet padding seams, cord taping, and panel hinging.
- Broad Use Cases: Suitable for residential, industrial, and commercial environments including construction, electrical, marine, military, abatement, trucking, and automotive markets.
Technical Specifications
- Backing: Water-resistant polyethylene laminated to cloth reinforcement
- Adhesive: Natural-rubber (aggressive, high-tack)
- Hand Tear: Bi-directional; tears cleanly without slivering
- Use Temperature: Up to 200°F (93°C)
- Burn Test Methods: UL 723, ASTM E-84, NFPA 255, UBC 8-1
- Burn Test Results:
- Flame Spread Index 0; Smoke Developed Index 30
- Typical Applications:
- Containment drapes, masking, light sandblast overspray protection, carpet padding seaming, cord taping, poster-board hinging
Why Choose This Tape
Proven performance metrics—bi-directional clean hand tear, high-tack natural-rubber adhesive, and usability up to 200°F—make 3M™ Heavy Duty Duct Tape 3939 the go-to choice for demanding applications that require strength, flexibility, and reliability under pressure.
Additional Product Information
3M 3939 Heavy Duty Duct Tape: A Reliable Tool for Professionals
When tackling tough jobs in construction or general maintenance, having a reliable adhesive is non-negotiable. The 3M™ Heavy Duty Duct Tape 3939 is designed specifically to meet these rigorous demands.
Robust Construction and Design
The effectiveness of the 3M 3939 lies in its sturdy construction. It is built from a polyethylene film laminated to a cloth scrim, backed by an aggressive rubber adhesive.
Performance and Versatility
The rubber adhesive bonds immediately to a wide variety of surfaces, including irregular or textured ones, without lifting or curling.
Common Applications for 3M 3939 Duct Tape
- Patching and temporary repairs
- Bundling cords and cables
- Containment drapes and barriers
- HVAC and insulation sealing
- Marking and labeling
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