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Product Specifications |
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| Cement Instructions |
Portland Cement (Bagged) ¨C Light Grey Cement |
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| Our Product |
Parameter |
Specification |
Parameter |
Specification |
Specific Surface Area (m2./kg) |
337 |
Initial Set (minutes) |
107 |
Compressive Strength (N/mm2) 2 days |
25 |
(N/mm2) 28 days |
49 |
Bulk Density (kg/m3) |
1170 - 1460 |
C3S (Tricalcium Silicate %) |
61 |
C2S (Dicalcium Silicate %) |
12 |
C3A (Tricalcium Aluminate %) |
9 |
C4AF (Tetracalcium Aluminoferrite %) |
9 |
Sulphate (SO3%) |
3.0 (3.5 MAX) |
Chloride (Cl%) |
0.007 (0.1 <AX) |
Alkali eq. (Na2O%) |
0.61 |
Packing: 25kgs Paper Sacks (60 per shrink wrapped pallet); 50kg paper sacks (30 per shrink wrapped pallet) |
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Portland Cement (Bulk) - Light Grey Cement |
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Parameter |
Specification |
Parameter |
Specification |
Specific Surface Area (m2./kg) |
374 |
Initial Set (minutes) |
103 |
Compressive Strength (N/mm2) 2 days |
30 |
(N/mm2) 7 days |
47 |
Compressive Strength (N/mm2) 28 days |
57 |
Bulk Density (kg/m3) |
1170 - 1460 |
C3S (Tricalcium Silicate %) |
61 |
C2S (Dicalcium Silicate %) |
12 |
C3A (Tricalcium Aluminate %) |
9 |
C4AF |
9 |
Sulphate (SO3%) |
3.0 (3.5 MAX) |
Chloride (Cl%) |
0.007 (0.1 MAX) |
Alkali eq. (Na2O%) |
0.61 |
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Packing: Delivered by a dedicated fleet of bulk air pressure discharge tankers in lot sizes between 20-30 ton. |
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Portland Cement for Construction Grade 42.5 OFR OPC 121205 RS Standard DIN EN 196, BSS 12/1996, ASTM C-150 |
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Chemical Analysis |
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Formula |
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Typical Analysis |
SiO 2 |
Silicon Dioxide |
21 |
% |
Al 2O |
Aluminum Oxide |
5.30 |
% |
Fe 2O 3 |
Ferric Oxide |
3.30 |
% |
CaO |
Calcium Oxide |
65.60 |
% |
MgO |
Magnesium Oxide |
1.10 |
% |
SO 3 |
Sulphur Trioxide |
2.70 |
% |
LOI |
Loss Of Ignition |
0.90 |
% |
C3A |
Tricalcium Aluminates |
8.05 |
% |
C3S |
Tricalcium Silicate |
60.00 |
% |
C2S |
Dicalcium Silicate |
15.00 |
% |
C4AF |
Tricalcium Aluminous Ferric |
9.76 |
% |
Physical Tests |
Blaine |
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3.250 |
Cm 2/g |
Autoclave Expansion |
(Le Chat) |
0.02 |
Mm |
Compressive Strength |
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3- Days |
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230 |
Kg/Cm 2 |
7- Days |
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305 |
Kg/Cm 2 |
28 ¨C Days |
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420 |
Kg/Cm 2 |
Initial Setting Time |
(Vicat Test) |
105 |
Min |
Final Setting Time |
(Vicat Test) |
135 |
Min |
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Laboratory test reports for: Ex-factory Cement
OPC-Ordinary Portland Cement Grade 42.5R(GB175-99) |
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Standard |
Tested (1) |
Tested (2) |
Tested (3) |
Tested (4) |
| Magnesium Oxide (MgO) |
5.0% Max |
2.16% |
2.35% |
2.52% |
2.52% |
| Sulplur Trioxide (SO3) |
3.5% |
2.70% |
2.25% |
2.55% |
2.25% |
| Loss on Ignition (L.O.I) |
5.0% |
2.94% |
2.50 % |
3.82% |
3.70% |
| Fineness residue over sieve80¦Ì |
10%Max |
2.0% |
2.0% |
2.0% |
2.0% |
| Initial Setting Min |
45 Minutes |
130 Minutes |
160 Minutes |
195 Minutes |
182 Minutes |
| Final Setting Max |
10 Hours |
214 Minutes |
227 Minutes |
250 Minutes |
250 Minutes |
| Soundness |
Qualified |
Qualified |
Qualified |
Qualified |
Qualified |
| Compressive Strength 3 days |
21.0Mpa |
30.9Mpa |
24.6Mpa |
19.1Mpa |
21.25Mpa |
| Bending Strength 3 days |
4.0Mpa |
5.5Mpa |
5.35Mpa |
4.2Mpa |
4.7Mpa |
| Compressive Strength 28 days |
42.5Mpa |
47.5Mpa |
48.4Mpa |
38.4Mpa |
8.65Mpa |
| Bending Strength 28 days |
6.5Mpa |
7.1Mpa |
8.75Mpa |
7.58Mpa |
40.8Mpa |
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