Wholesale Price Good Quality cristobalite silica powder

Cristobalite powder is produced from white natural quartz stone through the processing of manual selection,ex-ior water dispose,high-temperature calcination,fine grinding,filtrating,drying and sieving etc.With high purity and white colour which has stable physical and chemical properties and controllable particle size distribution,is widely used as material for epoxy potting compound,epoxy mould compound of electronic and electronic appliance industry.As well ascasting,engineering plastics,silicon rubber,precision ceramics andpaintingetc.