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. No | Characteristics | Required Value (Specified by IS Code) |
| 1. | Fineness (by Blaines apparatus) | Not less than 300 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 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. No | Characteristics | Required 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)
Also read about:
- Physical and chemical properties of 43 Grade cement
- Physical and chemical properties of 53 Grade cement
- Advantages of OPC cement? | Where to use OPC cement?
- Advantages of PPC cement? | Where to use PPC cement?
- What is the difference between cement and concrete? Which one should you use?
Kindly provide requirement for qualification of PPC 53 grade cement.