Usage 
 Melt film is mainly used for casting, plaster filler V shape and vacuum suction casting method of modeling materials, and large, medium and small steel, copper pieces, the refractory lining, but also for the manufacture of glass, refractory products, concrete and so on. Widely used in machinery, aviation, weapons, metallurgy, oil, insulation, sintering, construction and other industries. 
 Product Specifications 
 Mullite sand size (mesh) :8-16 mesh ,16-30 mesh ,30-60 mesh ,60-80 mesh ,80-120 mesh. 
 Mullite powder size (mesh): 200 mesh, 325 mesh 
 Packing: 25kg, 50kg plastic woven bags, kraft paper bags 
 Quality assurance: 
 My company from raw material selection to production processes are detected in all personnel and equipment to ensure the production of premium powder used for casting sand casting of various materials is not a quality problem; the production of a variety of stainless steel sand castings and powder for size of the carbon steel is not a quality problem.