Cement Clinkers

Cement clinkers for manufacturing op c
c on for ming to as tm c 150 t y p e I chemical properties unit testing method
chemical analysis
(%)
test results
cao %
astm c114-09
min 64.5 66.08
sio2 % 20-22.5 21.95
al2o3 % max 6.0 4.98
fe2o3 % max 4.0 3.24
mgo % max 4.0 1.74
free lime (f-cao) % max 1.5 1.00
so3 % max 1.0 0.25
insoluble residue (ir) % max 1.0 0.26
loi % max 1.0 0.50
equivalent alkalies % max 0.8 0.71
c3s %
astm c150-09
min 55.0 63.39
c2s % max 22.0 15.11
c3a % max 12.0 7.71
c4af % max 13.0 9.86
lime saturation factor % min 92 95.16
particle size
(5mm – 25mm) % by sieve
 40
84.89
a: not applicable,
c3s = (4.071x%cao) -(7.60x%sio2) -(6.718x%al2o3) -(1.43x%fe2o3) -(2.852xso3),
c2s=(2.867) x % sio2 - (0.7544 x % c3s),
c3a =(2.650x% al2o3) -(1.692x% fe2o3),.