... board is a new type of building decoration material, which is mainly made from high-grade siliceous ... refractory with the mixture of natural fiber as reinforcing material.Features: environmental friendly, waterproof, fireproofing, sound absorption, ... perfomance, nondeforming, etc.Place of Origin: Hebei Province,ChinaMain Raw material: quartz powder, diatomite, mica,cement, calcareousness, lime hydrate ...