Pyrophyllite is a important non-metal material mineral resource,which is widely used in ceramics,refractory material,composite material filler and pressure &hermetical medium etc.

• 叶蜡石是一种重要的非金属矿产资源,在陶瓷、耐火材料、复合材料填料、传压密封介质等方面有着重要的用途。