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3M™ Heavy Duty Duct Tape 3939 – Rubber adhesive duct tape – splicing, sealing, patching, masking, bundling, industrial repair

  • Item Name: 3M™ Heavy Duty Duct Tape 3939

  • Manufacturer: 3M

  • Technologies: Rubber pressure-sensitive adhesive on polyethylene/cloth scrim backing

  • Color: Silver

  • Cure Type: Pressure sensitive (self-adhesive, no curing required)

  • Package Size: Roll, 12 rolls/case

  • Shelf Life: 12 months

1. Product Overview

3M™ Heavy Duty Duct Tape 3939 (96 mm) is an industrial-grade silver duct tape designed for high-strength bonding, sealing, patching, masking, and splicing applications. Constructed from a water-resistant polyethylene laminated to cloth scrim and backed with a natural rubber adhesive, it provides strong adhesion to both rough and smooth surfaces. The tape is conformable, tears cleanly without slivering, and resists wear, abrasion, and water. Suitable for indoor use, it can withstand temperatures up to 93°C and meets flame and smoke testing standards, making it reliable for demanding industrial, commercial, and maintenance operations.


2. Applications

  • Splicing, masking, patching, sealing, and seaming

  • Hanging polyethylene drapes for containment

  • Covering trip hazards and protecting surfaces

  • Taping down cords and carpet padding

  • Sealing PVC pipes and capping conduit ends

  • Temporary repair and light sandblast overspray protection

3. Typical Properties

Property Value
Adhesive Type Rubber
Backing Material Polyethylene/Cloth Scrim
Total Tape Thickness 0.22 mm
Color Silver
Tensile Strength 47.3 N/100 mm
Elongation at Break 17%
Core Size 76.2 mm
Maximum Operating Temp 93°C
Indoor/Outdoor Use Indoor
Shelf Life 12 months
Performance Level Performance
Units per Case 12 rolls
Overall Length 54.8 m
Overall Width 96 mm
Industries Furniture, Metalworking, Electronics, Woodworking, MRO, Specialty Vehicle, General Industrial, Transportation, Automotive, Military

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