EVA tunnel waterproof board-EVA隧道防水板

EVA Tunnel Waterproof Board Product Introduction:

The production process of EVA waterproof board adopts the domestic two-stage co extrusion single stack extrusion method. The raw material resin EVA is added with reinforcing agents and antioxidants, and the board is formed after heating, melting, plasticizing, extrusion forming, and traction. It can also be thermally combined with the geotextile (signal layer) with straps to form a composite waterproof board, or the extrusion and rolling method can be used, which is the resin extruder melting and plasticizing, Extrude the molten sheet blank from the narrow slot die of the machine head and fuse it with the sling, and then roll and cool it to form a light film, or fuse it with the geotextile with the sling, and then roll and cool it to form a composite waterproof board.