The waterproofing membranes entering the warehouse should be sampled and retested, and their tensile strength, elongation, heat resistance, low temperature flexibility and water impermeability should all meet the specified indicators.
The waterproof coils entering the warehouse should be sampled and retested, and their tensile strength, elongation, heat resistance, low gentleness and impermeability should meet the prescribed targets.
The waterproof coiled material entering the warehouse shall be sampled and retested, and its tensile strength, elongation, heat resistance, low temperature flexibility and impermeability shall reach the specified indexes.<br>