high quality temporary ground protection 4×8 for swamp ground Heavy Duty 4X8 Plastic HDPE Temporary nstruct Excavator Road Swamp Material: HDPE Kind: Engineering Plastic Sheet Water HENAN OKAYorption: <0.01% Tensile Strength: 15-30MPa Product Names: 4X8 Plastic HDPE Temporary nstruct Mats Application: Ground Protection