BIS CERTIFICATION FOR HIGH ALUMINA REFRACTORY CEMENT
IS 15895:2011

High alumina refractory cement is covered under IS 15895:2011.This standard specifies the classification, evaluation technique, and properties of HACs of high alumina refractory cement. High alumina refractory cement (HAC) is refractory cement containing calcium aluminates such monocalcium aluminates, di-aluminate as the primary hydraulic constituent.

This cement is made by fusing or sintering a mixture of calcareous materials such as limestone/hydrated lime/dolomitic limestone and argillaceous materials such as Bauxite/Brown or white fused alumina/calcined alumina.

High alumina refractory cement is classified into two types based on impurity content: medium purity and high purity. High purity HACs have a total impurity content that does not exceed 2%. The impurity level of the product is controlled by careful raw material selection, and the alumina content of medium purity is typically less than 50%. High purity grade HACs, like medium purity grade HACs, can contain a wide range of alumina.

The chemical and physical properties of the various grades of medium and high purity HACs are given in the standard. When tested in accordance with the methods specified, high alumina refractory cement shall meet the chemical and physical requirements specified in the standard. 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 ensure that the cement meets the requirements of this standard.

tests

The sample shall be tested in the manner specified for the test.

• Pyrometric cone equivalent (PCE)
• Fineness
• Chemical composition
• Strength
• Setting time

The cement must be stored in a weather-tight package that allows simple access for proper inspection, protects the cement from hydration, and minimizes loss during transportation. Labeling and marking shall be done in accordance with the standard. The BIS Standard Mark (ISI Mark) shall be printed on each bag or drum of High alumina refractory cement 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 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, 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 1489 (PART 1): 2015	PORTLAND POZZOLANA 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 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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