3M
3M 3903 General Purpose Duct Tape Green 2 in x 50 yd 6.5 mil
Green vinyl-coated cloth duct tape, 2 inches by 50 yards, 6.5 mil thick, rubber adhesive rated to 15.4 oz/in, usable from 40 to 200 °F
- ColorGreen
- Strong hold for repairs with 15.4 oz/in steel adhesion
- Works from 40 °F to 200 °F for indoor tasks
- 50-yard roll covers large jobs without frequent changes
- 5 mil vinyl-backed cloth resists tears and moisture
- Green colour aids quick identification on site
3M 3903 Green Duct Tape
This 3M 3903 duct tape uses a vinyl-coated cloth backing with a rubber adhesive for general-purpose sealing and repair. The roll measures 2 inches wide by 50 yards long with a 6.5 mil thickness. It operates between 40 and 200 degrees Fahrenheit and provides 15.4 oz/in adhesion to steel. The green colour allows quick visual identification on job sites.
Replaces standard utility tapes
Builders and maintenance crews switch to this tape when a stronger hold and wider temperature range are needed over basic cloth or plastic tapes. The vinyl backing resists moisture and abrasion better than uncoated alternatives. The jump is worth it for indoor HVAC sealing, bundling, and temporary repairs that demand reliable adhesion up to 200 degrees Fahrenheit without edge lift.
Suits HVAC and general maintenance
Technicians who need a single roll for duct sealing, cable bundling, and patching will find the length and width practical. The tape is restricted to indoor use, so outdoor weatherproofing jobs should look elsewhere. Users requiring specialised foil, mastic, or high-temperature aluminium tapes for code-compliant ductwork will need different products.
Highlights
- Strong hold for repairs with 15.4 oz/in steel adhesion
- Works from 40 °F to 200 °F for indoor tasks
- 50-yard roll covers large jobs without frequent changes
- 5 mil vinyl-backed cloth resists tears and moisture
- Green colour aids quick identification on site
Specifications
| Brand | 3M |
|---|---|
| Color | Green |
Questions about this item
What surface width does the 2 in roll cover per wrap?
Each wrap covers a full 2 in width, so measure the seam or bundle and cut lengths that span the gap with a little overlap on each side.
How do I apply the rubber adhesive backing so it bonds at 40 Degrees F?
Clean the surface until it is dry and free of oil, press the tape firmly with a roller or palm to activate the rubber adhesive, and avoid stretching the vinyl cloth beyond its natural give.
When should I replace a section that has been exposed to 200 Degrees F?
Inspect for discolouration, loss of tack, or backing brittleness after high-heat cycles; if the vinyl cloth feels stiff or the rubber adhesive no longer holds 15.4 oz/in, cut out that section and re-tape.
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