Min. Order Reference FOB Price
20 pcs US$1.35-1.45 / pcs
Product Description
Refractory Fire Brick Alumina Hollow Ball Brick Used for Ultra-high Temperature Furnace Lining Description &Picture Alumina hollow sphere is a new type of high-temperature heat insulating material, which is smelted and blown with industrial alumina in an electric furnace, and its crystal form is ...