粘土

本公司钠长石及其加工产品的化学成份：特级钠长石及其石磨粉（20目），低温 sio2:68%~70%al2o3:18%~21% fe2o3:≤0.10% na2o:≥10% k2o2≤0.5% 经1200℃烧后呈乳白色，白度≥56度。chemical composition: special grade albite and feldspar power (20items), low temperature sio2:68%~70% al2o3:18%~21% fe2o3:≤0.10%na2o:≥10% k2o2≤0.5% it presents cream color after burned by 1200℃,degree of white ≥56.