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Sillimanite brick with a low thermal expansion rate, not only have good resistance to metallurgical slag and various glass liquids, and good wear resistance at high temperatures but also have good thermal stability at high temperatures, less pollution to molten glass, and high refractoriness under load. Any demands, please contact: Tel/whatsapp/wechat: + 86 18638759011 Email: inquiry@rsxwrefractory.com https://www.rsnewrefractory.com/product/sillimanite-brick/ Rongsheng Xinwei New Material Resea