膨润土可以广泛应用于瓷砖的坯体和釉面。对于坯体来说，膨润土可以增加坯体强度，改善可塑性，减少开裂。对于釉料来说，膨润土可以改善釉面的稳定性，减少釉面开裂。
（Bentonite: It could be widely used in the tile body and glaze slip. For the tile body , bentonite can increase the body strength , improve the plasticity and reduce crack ; For the glaze , bentonite can improve galze slip stability and reduce crack.）
