... steel reinforced plastic, wood fiber filler (rice chaff, straw, wood powder, etc), calcium powder. Usage:Senyu 6Hazard-Proof WPC board can be ... used for construction, indoor and outdoor decoration, carpentry, or areas where wood, plastic, steel reinforced plastic, ... replace steel panel, bamboo panel and wood panel. Senyu 6Hazard-Proof WPC board does not contain harmful material. high ...