Eco-wpcfence --Nail holding force:3111N --Screw holding :2733N --Rockwell hardness:73HRR -- Certification: ISO9001, CE,ASTM WOOD?PLASTIC?-----NEW MATERIAL WITH BOTH ADVANTAGESIt looks, smells and handles like wood but has the durability of plasticThe eco-friendly Wood Plastic Composite ( WPC )we produced is made of :30% HDPE (Grade A Recycled HDPE)60% bamboo /wood fibre (professionally treated ...