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在装饰材料中,釉面砖具有色泽鲜艳,图案可变性大等优点,是宾馆、饭店、商店、影剧院、高层住宅常用而理想的一种饰面材料。釉面砖由陶土焙烧而成,坯体反面不上釉,具有一定的吸水性。根据其用途,主要分内墙砖和外墙砖两种。内墙砖生产成本较低,其坯体致密度较低,吸水率一般在18～20%之间,适用于室内。而外墙砖要经受日晒雨淋,寒冻风吹,要求坯体强度大,能承受压力和自然气候的变化,因此要求吸水率在10%以下。生产这种砖成本稍大些,但质
Among the decorative materials, the glazed tile has the advantages of bright color, large pattern variability, etc. It is a common and ideal decorative material for hotels, restaurants, shops, theaters, and high-rise residential buildings. The glazed tile is made of clay, and the back of the blank is not glazed and has a certain degree of water absorption. According to its use, it is divided into two types: inner wall tiles and outer wall tiles. The production cost of interior wall tiles is relatively low, and the density of the blanks is low. The water absorption rate is generally between 18 and 20%, and it is suitable for indoor use. The outer wall tiles are subject to the sun, rain, and cold wind, which require a large body strength and can withstand the pressure and natural climate changes. Therefore, the water absorption rate is required to be less than 10%. The cost of producing this kind of brick is slightly higher, but the quality