BIS CERTIFICATION FOR PORTLAND POZZOLANA CEMENT
IS 1489 (PART 1): 2015

The production, physical, and chemical requirements of Portland pozzolana cement - fly ash pozzolana are covered in this standard (Part 1). The Bureau of Indian Standards adopted this Indian Standard (Part 1) after the draft finalized by the Cement and Concrete Sectional Committee was approved by the Civil Engineering Division Council.

The standard specifies the chemical requirements of the cement as well as the physical requirements such as fineness, compressive strength, and soundness, among others, as well as the storage conditions for the cement.

Portland Pozzolana Cement is a type of Blended Cement made by either inter-grinding OPC clinker with gypsum and pozzolanic materials in specific proportions or grinding the OPC clinker, gypsum, and Pozzolanic materials such as fly ash separately and thoroughly blending them in specific proportions. The fly ash constituent must be no less than 15% and no more than 35% by mass of Portland pozzolana cement, according to the standard.

Pozzolana, such as fly ash, is essentially a siliceous material that, while having little or no cementitious properties on its own will react with calcium hydroxide at ambient temperature to form compounds with cementitious properties when finely divided and in the presence of water. Portland-pozzolana cement shall comply with the chemical and physical requirements specified in the standard.

Tests

The following test shall be carried out for PPC fly ash-based cement.

• Insoluble Residue
• Loss of ignition
• Fineness test
• Soundness test
• Setting time
• Compressive Strength
• Transverse Strength Test
• Drying shrinkage
• Chemical testing
• Fly ash testing

A laboratory shall be adequately maintained, in which the various tests shall be carried out according to the methods specified in the standard.

The manufacturer must demonstrate that the cement meets the requirements of this standard. The BIS Standard Mark (ISI Mark) shall be printed on each bag or drum of Portland Pozzolana Cement- fly ash based or on the label applied to it, provided that the material in each bag or package to which the mark is thus applied meets the specification. The marking must be done in accordance with IS 1489 (Part 1). The Manufacturer must obtain a BIS license from the Bureau of Indian Standards to use a standard mark (ISI Mark). The BIS grants a license based on a successful assessment of manufacturing infrastructure, quality control and testing capabilities, and production process.

Indian Stantdard for Cements

IS Number	Product Name
IS 1489 (PART 2)	PORTLAND POZZOLANA CEMENT
IS 16415:2015	COMPOSITE CEMENT
IS 455:2015	PORTLAND SLAG CEMENT
IS 12330	SULPHATE RESISTING PORTLAND CEMENT
IS 12600	LOW HEAT PORTLAND CEMENT
IS 269:2015	ORDINARY PORTLAND CEMENT
IS 3466:1988	MASONRY CEMENT
IS 6909:1990	SUPERSULPHATED CEMENT
IS 8042:2015	WHITE PORTLAND CEMENT
IS 6452:1989	HIGH ALUMINA CEMENT
IS 8043:1991	HYDROPHOBIC PORTLAND CEMENT
IS 8229:1986	OIL WELL CEMENT
IS 15895:2011	HIGH ALUMINA REFRACTORY CEMENT
IS 16993:2018	MICROFINE ORDINARY PORTLAND CEMENT

NOTE:

For Detailed Information about the Procedure for BIS ISI Certification

Conclusion:

If a product falls under the scope of the BIS Conformity Assessment Scheme, All the manufacturers, importers, and foreign entities must obtain BIS ISI Certification. The Bureau may cancel the License if the product fails to meet certification requirements.

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