Physical and Chemical properties of PPC Grade cement

Portland pozzolana cement also abbreviated as PPC Cement. We recommend you to check whether the PPC cement brand that you purchase adhere to IS code.

Physical properties of PPC cement:
Sl. NoCharacteristicsRequired Value
(Specified by IS Code)
1.Fineness (by Blaines apparatus)Not less than 300 m2/Kg
2.Soundness
a) Le Chatelier methodNot more than 10 mm
b) Autoclave testNot more than 0.8%
3.Setting time
a) Initial setting time in minutesNot less than 30
b) Final setting time in minutesNot less than 600
4.Compressive strength
a) 72 +/- 1 hour (3 days)Not less than 16 MPa
b) 168 +/- 2 hours (7 days)Not less than 22 MPa
c) 672 +/- 4 hours (28 days)Not less than 33 MPa
5.Drying shrinkage %Not more than 0.15
Chemical properties of PPC cement:
Sl. NoCharacteristicsRequired value
1.Total loss on ignition (% by mass)Not more than 5.0
2.Magnesia (% by mass)Not more than 6.0
3. Insoluble residue (% by mass)Not more than x + 4(1000 – x)/ 100
4. Sulphuric anhydride %Not more than 3.5%
5.Total chloride content %Not more than 0.10%

IS Code of PPC cement is IS: 1489-1 (Read more)

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