TIANXIANG

silicon foundry sand

Firebrick; fireproof tile; fireproof cement coatings; firegrit, namely, refractory materials in the nature of crushed and ground sand and stone; fired refractory material in the nature of grog, namely, crushed unglazed pottery stone and brick; refractory construction materials, not of metal; fireclay; ceramic fabric cotton and felt, for roofing and other building purposes; sand containing silicon