摘要：硅灰石是天然产出的偏硅酸盐纤维矿物‚具有许多 优异的工业应用特性。磨细硅灰石是优质的陶瓷原料、冶金 助剂；高长径比硅灰石是石棉和玻纤的理想代用品‚可用作 橡胶、塑料和油漆涂料的填料‚起补强和增量的双重作用。 本文介绍了硅灰石的工业应用及其深加工进展。 

关键词：硅灰石；超细粉碎；表面改性

Abstract：Wollastonite‚a natural fibrous mineral‚has a lot of ex cellent properties in the industrial application．Ultrafine wollas tonite powder is popularly used as ceramics material and metal lurgical agent．Wollastonite with high ratio of length and diame ter is a good substitute of asbestos and glass fiber‚which can ex tensively be used in rubber‚plastic and paint as filler with rein forcement and increment effects．T he industrial application and development trends in deep processing of wollastonite are dis cussed． 

Keywords：wollastonite；ultrafine grinding；surface modification