Uncategorized Archives - Construction materials online store, Bangalore https://www.buildmaadi.com/blog/category/uncategorized/ Sat, 06 Jun 2020 09:45:16 +0000 en hourly 1 https://wordpress.org/?v=7.0.2 https://www.buildmaadi.com/wp-content/uploads/2019/10/cropped-Site-Icon-3-32x32.png Uncategorized Archives - Construction materials online store, Bangalore https://www.buildmaadi.com/blog/category/uncategorized/ 32 32 Physical and Chemical properties of PPC Grade cement https://www.buildmaadi.com/blog/physical-and-chemical-properties-of-ppc-grade-cement/ https://www.buildmaadi.com/blog/physical-and-chemical-properties-of-ppc-grade-cement/#comments Sat, 06 Jun 2020 09:45:12 +0000 https://www.buildmaadi.com/?p=908 Learn about the physical and chemical properties of PPC cement. Check whether your cement brand adheres to these Indian standards.

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]]> 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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