The fire performance of lightweight concrete is superior to that of normal-weight concrete.
轻质混凝土的耐火性能比一般的混凝土的好。If you use firebricks round the walls of the boiler , the heat loss, can be considerably reduced.
炉壁采用耐火砖可大大降低热耗。A fine clay used in ceramics and refractories and as a filler or coating for paper and textiles.
高岭土，瓷土一种细黏土，在制陶器和耐火材料时使用，也可用作纸张和纺织片的浆料或涂层。Today RCE is market leader in the supply of this kiln type for sintering of raw materials used for refractory applications.
是这类用于耐火材料应用的原料的烧结窑的市场领先者。The company mainly produces high-grade sand F, P sand and refractory materials, with an annual output of one million tons of sand corundum.
公司主要生产高档F砂、P砂及耐火原料，年产棕刚玉砂一万余吨。Graphite crucible is a typical example of carbon composites and is one of absolutely necessary tools for modern coloured metallurgy.
石墨坩埚是碳复合耐火材料的典型实例，是现代有色冶金业不可缺少的工具之一。In this design, the heat transfer efficiency is generally limited by the size of the furnace and the temperature limit of the refractories.
采用这种方法时，传热效率往往会受到窑炉的尺寸大小和窑炉耐火材料所能承受的极限温度的限制而大打折扣。Asbestos is a naturally occurring mineral used for centuries in insulation, clothing, and fire-resistant materials.
石棉是天然矿物绝缘用百年，衣服和耐火原料。the base body of the heat storage body is made of refractory material, ceramic material, or ferrous material.
蓄热体基体由耐火材料、陶瓷材料或钢铁材料制成。