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for Cement Clinker specs
ORDINARY PORTLAND CEMENT 42.5R
(OPC CEMENT B.S STANDARD)
NAME OF PRODUCT: Grey Portland cement
Strength class 42, 5 R BS
12:1996 OR ASTM C-150 EN-196 testing method
|
Chemical Composition
|
Symbol |
Results |
Standard requirements
Max. |
| Silicon
Dioxide
Aluminum Trioxide
Ferric Oxide
Calcium Oxide |
SIO2
AL2O2
FE2O2
CaO |
20.49%
4.66%
3.85%
63.45% |
|
| Magnesium
Oxide |
MgO |
1.79% |
|
| Sulphate
Potassium Oxide
Sodium Oxide
Chloride |
SO3
K2O
Na2O
CI |
2.13%
0.17%
0.25%
0.050% |
3.50%
0.10% |
| Insoluble
Residue |
IR |
0.42% |
1.5% |
| Loss on
Ignition
Trcalcium Silicate
Dicalcium Silicate |
LOI
C3S
C2S |
3.11%
59.58%
13.81% |
3.0% |
|
Tricalcium Aluminates |
C2A |
5.83% |
|
|
Tetracalcium Aluminoferrate
Alkalis Equivalent |
C2AF
AE |
11.70%
0.36% |
|
Less than or equal to 5% if minor
constituents included.
Less than or equal to 5% if
calcareous constituents included
PROCEDURE
Buyer sends LOI+BCL (Not older than 15 Days)
Seller issues draft contract
Buyer accept and sign the draft contract
Seller issues final contract
Buyer signs and seals Final contract
POF-POP bank vs bank
Hard Contract copies are exchanged
Buyer issue non-operative L/C
Seller activate L/C with 2% PB
Shipments starts
