... as anti-draw, anti-tear, and anti-stab meet the requirement of water works, chemicals. Features:1.All ... as anti-draw, anti-tear, and anti-stab meet the requirement of water works, chemicals, tunnels, and transportation ... arrange, it can be useful over thirty years on the condition of -60æ«60æ.3.Anti-stab and ... , acid and alkali proof, untoxic.5.Lower cost per unit area, cost is 1/3«1/2 lower than that ...