Yellow 3M Duct Tape 399 with modified rubber adhesive has a polyethylene coating which makes it moisture resistence and can be easily unrolled and easily torn off by hand. The good deformability and adaptability. This adhesive has been specifically designed for use on difficult surfaces such as concrete and rough surface.
3M 399 Technical Datasheet
Image of product
Long-Term Test, Durability of Adhesive
Image shows the specimen after 12 months outdoor exposure (with temperatures -15°C to 45°C (on direct sunlight), Weather: Sun, Wind, Snow, Rain )
Result after Long-Term test
- low UV resistance
- good adhesion of base material (scrim with adhesive), but the top yellow layer was peeled off