CLINKER PORTLAND CEMENT CPC50
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Category:
Clinker
Ordinary Portland Cement (OPC) Clinker is produced by heating a mixture of Limestone, Clay and Iron Ore to a temperature of approximately 1,450°C in a cement kiln. This Clinker is a key component in the production of Ordinary Portland Cement which is the most common type of cement used by the construction industry around the world.
ATZ Clinker Portland Cement (CPC40 and CPC50), compliant with TCVN 7024:2013, features high CaO(66.27%), optimized C3S (59.13%), and low SO3 (0.20%). Exported globally, it enhances construction efficiency and reliability.
TYPICAL PROPERTIES (This specification can be varied little on each production batch)
|
Item |
Unit |
Spec.Limit |
Test Results |
Test Method |
|
Silicon dioxide content, SiO2 |
%
|
- |
21.64 |
TCVN 141:2008
|
|
Aluminum oxide content, Al2O3 |
- |
5.30 |
||
|
Ferric oxide content, Fe2O3 |
- |
3.25 |
||
|
Calcium oxide content, CaO |
- |
66.27 |
||
|
Magnesium oxide content, MgO |
≤ 5.0 |
1.62 |
||
|
Sulfur trioxide content, SO3 |
≤ 1.5 |
0.20 |
||
|
Loss on ignition, LOI |
≤ 1.5 |
0.66 |
||
|
Insoluble residue content, IR |
≤ 0.75 |
0.60 |
||
|
Equivalent alkalies, Na2O + 0.658 K2O |
≤ 0.70 |
0.56 |
||
|
Free lime, fCaO |
≤ 1.5 |
0.95 |
||
|
Lime saturation factor, LSF |
|
≥ 92 |
96.10 |
|
|
Tricalcium silicate content, C3S |
%
|
- |
59.13 |
TCVN 7024:2013 |
|
Dicalcium silicate content, C2S |
- |
17.43 |
||
|
Tricalcium aluminate content, C3S |
- |
8.55 |
||
|
Tetracalcium aluminoferrite content, C4AF |
- |
9.89 |
||
|
Intial setting time |
Minutes
|
≥ 45 |
145 |
|
|
Final setting time |
≤ 375 |
195 |
||
|
Particle size: + < 1mm + 5-25mm |
% |
≤ 10 ≥ 50 |
3.7 70.3 |
TCVN 7024: 2013 |
|
Soundness expansion |
mm |
≤ 10 |
0.75 |
TCVN 7024:2013 |
|
Compressive Strength: + 3 days + 28 days |
Mpa |
≥ 25 ≥ 50 |
30.9 54.1 |
TCVN 6016:2011 |
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