Description

Mullite sand is aluminum silicate refractory materials,normally used in stainless steel precision casting technology,Refractoriness around ***0 degrees,Mullite sand content more aluminum and lower iron to show that the quality is more better,content lower dust to show that the quality is more better.Mullite sand is made by kaolin through high heat sintering,Mullite sand origin is mainly distributed in the zhangqiu shandong and north of anhui and so on.