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ORDINARY PORTLAND CEMENT (OPC 42.5)
Types of Cement are available for Export
H.Y.International Supply Ordinary Portland Cement (OPC): Complies with Pakistan Standard PS – 232/1983; British Standard BS –12 – 1996; and American Standard ASTM C-150 Type I in the packaging of 50 Kg P.P Bags, 50 Kg 3 Ply Paper Bags, 1 Metric Ton Jumbo Bags, 2 Metric Ton Sling Bags.

Assured Compliance With
British Standard OPC BS 12-1996
American Standard ASTM C-150 Type I
European Standard OPC EN 197-1 CEM I 42.5 R
Pakistan Standard PS 232/1983(R)

Typical Analysis and Physical Properties
The listed tests below are typical and for information only. Analytical details of the product should be sought in writing from the Cement Company.

Chemical Analysis

Parameters
H.Y.International Cement
Typical Results
Standard Requirement
EN 197-1 BS 12-1996
Loss on Ignition
2.0
5.0% Max
Insoluble residue %
0.5
1.5% Max
Sulphate as SO3 %
2.5
3.5% Max
Chloride %
0.05
0.1% Max
Alkali Equivalent %
0.57
0.60% Max

Physical Properties
SOUNDENESS -By using most modern Kiln feeding system, it is ensured that lime entering into the Kiln should be in such a shape that it should totally combine with oxides during the burning process. The result is that the frees lime content is very low and soundness of Cement is less than 1 mm which is far better than 10 mm prescribed by Pakistan Standard PSS 232-1983 ( R) and / or British Standard EN 197 Class 42.5 N.

Fineness
 
Sieve Residue Over 45µm%
9-11
Fineness by Blaine cm2/g
3200-3300

Setting Behavior
SUPERIOR STRENGTH, OPTIMUM SETTING TIMES AND MINIMUM EXPANSION – These are the three benchmarks adopted by Cement Company which is emerging to be the largest cement plant of Asia and committed to provide the best quality cement to its customers around the globe through stringent quality control and application of most modern quality control techniques.

OPTIMUM SETTING TIME - Optimal initial & final setting times are ensured by adopting special production parameters using most modern control techniques.

 
Typical Results
Standard Requirement
EN 197-1 BS 12-1996
Standard Consistency %
27.5

Initial Setting Time (minutes)
150
60Min
Final Setting Time (hours)
4:30
10h

Compressive Strength Performance Mortar EN 196-1 Testing Method
SUPERIOR STRENGTH -The compressive strength is a very important factor of cement. The Ordinary Portland Cement achieves its maximum strength in 28 days. The Pakistan standard PSS 232-1983 (R) & British Standard EN 197 Class 42.5 N provides for 28 days strength of 5000Psi and 5950 PSI respectively for mortar cubes.

Typical Results
Standard Requirement
EN 197-1 BS 12-1996
Early strength – 2days (N/mm2)
22.5
20.0Min for 42.5 R
Standard Strength – 28days (N/mm2)
50.0
42.5Min. and 62.5 Max for 42.5 R

Application
The product has been designed to give enhance concrete properties in the fresh “wet” state with adequate high early strength levels upon setting and hardening. OPC is used in all general construction especially in major prestigious projects where cement has to meet stringent quality requirements. It can be used in concrete, mortars and grouts.

Grey OPC Grade 42.5 (Detailed Specifications)

  
Limits as per Pakistani Standard
Limits as per
British Standard
OPC 42.5
Cement Specifications
Chemical Analysis(%)
PSS-232 1983(R)
B.S.12:1978
Normal test results (%)
L.O.I.
Max: 3.00
Max: 4.00
1.50%
I.R
Max: 1.50
Max: 1.50
0.4%
SiO2
----
----
21.20%
Al2O3
----
----
4.65%
Fe2O3
----
----
3.90%
CaO
----
----
63.8%
MgO
Max: 4.00
Max: 4.00
1.20%
SO3
Max: 3.00
>Max: 3.00
1.75%
L.S.F
0.66-1.02
0.66-1.02
0.92%
Na2O
----
----
0.22%
K2O
----
----
0.19%
Alkali Eq
----
----
Not Exceeding 0.60%
C3S
----
----
55.05%
C2S
----
----
22.4%
C3A
----
----
6.30%
C4AF
----
----
10.8%
Chloride
----
----
0.10%

Physical Analysis

Setting Time
Initial Setting Time (Minutes)
Min: 45
Min: 45
160
Finial Setting Time (Minutes)
Max: 600
Max: 600
250
oundness Expansion
Max: 10 mm
Max: 10 mm
1.0 mm

Compressive Strength Mortar Cubes

3 DAYS (PSI)
Min: 2200
Min: 3350
3350
7 DAYS(PSI)
Min: 3400
----
4500
28 DAYS (PSI)
Min: 5000
Min: 5950
6500
PBFSC
Ordinary Portland Cement
SRC
Sulphate Resistant Cement
OPC
Portland Blast Furnance Slag Cement



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cement, pakistan cement, cement pakistan, cement prices, , portland cement, portland cement manufacturer pakistan, portland cement exporter pakistan, ordinary portland cement, opc, opc 42.5, opc cement 42.5, construction cement, grey cement, cement bag, bagged cement, pakistan standards, british standards, american standards, cement jumbo bags, cement sling bags, low alkali cement, cement strength, cement types, cement blocks, cement bricks, cement concrete, cement africa




 
 

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