1Expansion time: 3X- 30X 2Thickness:0.2-5MM 3color:0.2-5MM 4Width:1.04M or 1.07M 5Roll size:300M2/Roll,200M2/Roll It can be used as tape base material , their bubble holes evenly delicate, firm and flexible, small water absorbability ,heat-pressure , not easy to fall off ,a high tensile strength, mold changes, and corrosion resistance to a variety of chemical agents and strong characteristics, ...