... sericite powder phlogopite,biotite,calcined mica,colour mica paint and coating raw material mica powderusage: windly used in coating, paint, ... protection), rubber, lubricant etc ,improving the product performance and reducing the cost barite powderUsage: widely used as drilling ... , ceramic, ink, paper making, chemical fiber, medicine and cosmetic industry and so on. Barite powder is widely used as a ...