... for chemical industry,special ceramics and high-grade refractory materials,etc.Abrasives gradeGrit size: 16#,20#,24 ... #30#,36#,46#,54#,60#,80#,100#,120#,150#,180#,220#Micropowder:240 ... to accept all the competition from other abrasive & refractory companies with our quality,price and service. IF ... you to start business cooperation with us.. Refractory White Fused Alumina 1-0mm.3-1mm.5-3mm