... body for chemical industry,special ceramics and high-grade refractory materials,etc.Abrasives gradeGrit size: 16#,20#,24#30 ... 3000#,4000#Refractory grade:1-0mm,3-1mm,5-3mm,5-8mm -200mesh,-240mesh,-320mesh PurposeSpecificationChemical Composition(%)Magnetic material content(%) ... willing to accept all the competition from other abrasive & refractory companies with our quality,price and service. IF YOUR ...