... reused, 2.color option,Prompt delievery 3.CE,ISO certificate WPC Decking Features: 1.Fire-resistant. water proof 2.Anti worm-eaten ... material, such as HDPE/PP, 55% croude wood and bamboo powder, 10% special additives, such as antioxidant, lubricant, colorant, ultraviolet adsorbent ... already exist. We recommend diameter of plastic pipe is 6mm Fire resistant WPC Decking