3M™ Heavy Duty Duct Tape 3939 is composed of a waterproof polyethylene film over cloth scrim backing with a rubber adhesive used for demanding duct tape applications.
| Overall Width (Metric) | 48 mm | |
| Total Tape Thickness without Liner (metric) | 0.22 mm | |
| Backing (Carrier) Material | Polyethylene/Cloth Scrim | |
| Product Color | Silver | |
| Adhesive Type | Rubber |