mullite sand

Casting investment high quality mullite powder chamotte sand 35s

mullite sand is generally used in stainless steel precision casting process.

Model:OBTA-35S

Industrial grade investment casting 22s sintered mullite sand

mullite sand is generally used in stainless steel precision casting process.

Model:OBTA-22S

Chamotte Sand 200 mesh mullite sand powder for investment casting

Mullite sand produced through high temperature calcined process.

Model:OBTA-200M