Description
3M Heavy Duty Black Duct Tape is a dependable all-rounder for the toolbox, supplied here as a single 48mm x 41.1m roll for sealing, holding, bundling and quick repairs around the home, workshop or jobsite. It combines a grabby rubber adhesive with a tough, water-resistant cloth-reinforced backing, so it sticks quickly, tears cleanly by hand and leaves a neat black finish.
About the formula
This is a cloth-reinforced duct tape with a polyethylene backing over a woven scrim and a natural rubber adhesive system. 3M describes the adhesive as an improved, industrial strength formulation that bonds on contact, so you can seal, hold or reinforce straight away without waiting. The backing is flexible and conformable, applies smoothly and resists moisture for longer-lasting repairs. The tape is a medium-strength, temporary solution, not a structural bond.
Where to use it
Indoors: sealing and holding boxes and packages, bundling cables and hoses, re-gripping tool handles, patching and reinforcing items, labelling and colour-coding, and general fix-it jobs around the house, office or workshop.
Outdoors: this tape is intended for indoor use only, so choose a purpose-made weatherproof or UV-stable tape for exposed outdoor repairs.
Suitable surfaces include metal, glass, plastic, cardboard and corrugate, and laminate. Test on a small, hidden area first if you are unsure, particularly on painted, delicate or textured surfaces.
How to use it
Clean the surface so it is dry and free of dust, oil, grease and loose material. Pull off the length you need and tear it by hand, either lengthwise or crosswise, with no scissors required. Press the tape down firmly along its whole length, smoothing out wrinkles and air bubbles so the adhesive makes full contact. Overlap adjacent strips slightly when you are sealing or reinforcing a larger area.
Important notes
This is a temporary, medium-strength solution and is not designed for load-bearing or structural fixing. It is intended for indoor use only. Adhesion will be reduced on dusty, wet, oily or very rough surfaces. Rubber-based tapes can leave residue on some surfaces, so test before applying to finished or delicate materials, and remove the tape sooner rather than later where a clean removal matters.
Specifications
| Brand |
3M |
| Product |
Heavy Duty Black Duct Tape |
| Model |
2145-BK |
| Size |
48mm x 41.1m |
| Pack |
1 roll |
| Colour |
Black |
| Adhesive |
Natural rubber |
| Backing |
Polyethylene over cloth scrim |
| Tear |
By hand, lengthwise or crosswise |
| Use |
Indoor |
Safety
Keep away from heat and open flame, as the backing and adhesive are combustible. Handle with care when tearing and avoid contact with eyes. Store rolls in a cool, dry place out of direct sunlight and away from extreme heat to protect the adhesive. Always follow the manufacturer's instructions and refer to any manufacturer safety information supplied with the product. Refer to the Safety Data Sheet (SDS) for full details.
