In the process of wollastonite fining , we can forge and then cool it to protect its crystal structure which is short acicular fiber . mechanochemical modification by jet mill is super to speedily mixed modification by stirring mix 硅灰石微粉碎过程中,为保护硅灰石的短纤维针状结构,可在粉碎前对硅灰石进行煅烧空冷处理。