The bauxite sand (powder) produced by the company is a new kind of advanced siallite refractory material, which is applicable for surface coating and sanding material of investment casting and for the refractory aggregates of other casting coating. This product is featured by low expansion coefficient, high refractability and good chemical stability.
With fine bauxite chamotto, this product is produced through crashing screening, magnetic separation, water rinsing, drying and other procedures.
Physicochemical indexes of bauxite (%)

Common granularity: 10-20mesh, 16-30mesh, 30-60mesh, 40-70mesh, 70-100mesh, 120mesh, 150mesh, 170mesh, 200mesh, 320mesh.