What are the physical and chemical properties of OPC 53 Grade cement?

Before purchasing any 53 Grade cement, it is highly recommended to check whether the cement properties of that brand to the Indian Standard codes.

Physical properties of OPC 53 Grade cement:

SL NO
Characteristics

Required Value
(Specified by IS Code)
1.
Fineness (by Blaines apparatus)
Not less than 225 m2/Kg
2.
Soundness



a) Le Chatelier method

Not more than 10 mm

b) Autoclave test
Not more than 0.8%
3.
Setting time



a) Initial setting time in minutes

Not less than 30

b) Final setting time in minutes
Not less than 600
4.
Compressive strength


a) 72 +/- 1 hour (3 days)
Not less than 27 MPa

b) 168 +/- 2 hours (7 days)
Not less than 37 MPa

c) 672 +/- 4 hours (28 days)
Not less than 53 MPa

Chemical properties of OPC 53 Grade cement:

SL NO
Characteristics
Required value
1.
Loss on ignition %
Not more than 4.0%
2.
Magnesia %
Not more than 6.0%
3.
Insoluble residue %
Not more than 4.0%
4.
Sulphuric anhydride %
Not more than 3.5%
5.
Total chloride content %
Not more than 0.10%
6.
Net proportion of lime to Silica, Alumina and Iron oxide
0.80 – 1.02%
7.
Net proportion of Alumina to Iron oxide
Not less than 0.66%

We share out all ranges of cement at a cheap rate that has Birla Shakti Cement, JSW Cement, Maha Cement, Zuari Cement at the precise time. All the cement are certified and authorized as ISO standards with various grades that range from OPC (Ordinary Portland cement), CPC (Calcium Phosphate Cement), SRC (Surface Resistance Cement) and PPC (Portland Pozzolana Cement).



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