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online businessAccording to british and sabs standards din en 197-1/2000 or astm c 150
Chemical composition:
Silicon dioxide (sio2)20.08 - 21.50 aluminium oxide (a12o3) 5.30 ferric oxide
(fe2o3) 3.25 -3.50
Calcium oxide (cao) 65.60
Magnesium oxide (mgo) 1.70- 3.00
Sulphur trioxide (so3) 2.70 -3.00
Loss of ignition (loi) 1.80-3.00
Insoluble residue % 0.1 -0.7
