IS 6452: 1989 addresses high alumina cement (HAC) for structural use. This standard delineates the manufacturing prerequisites of HAC and outlines its specific utilization as a structural building material in regions with constant temperatures of 18°C or below. However, its application as a refractory cement is excluded from this standard.

This cement is derived from aluminous and calcareous materials through fusion or sintering, with the resulting clinker ground to meet this standard. Apart from water, no other substances may be introduced during the cement grinding phase. The total alumina content (AL2O3), as determined in accordance with IS 4032: 1985, must be no less than 32 percent by mass.

When subjected to the designated testing methods, high alumina cement must meet the specified physical requirements outlined in the standard. It is the responsibility of the manufacturer to ensure compliance with this standard. An appropriately maintained laboratory is essential for conducting the various tests according to the specified methods.

TESTS

The specified tests must be conducted for high alumina cement

• Alumina content

• Fineness

• Soundness

• Initial Setting time

• Compressive Strength

• Chemical testing

Packing of high alumina cement must adhere to the guidelines specified in IS 6452:1989, and labeling and marking should also align with these standards. The BIS Standard Mark (ISI Mark) must be visibly printed on each bag or drum of high alumina cement, or on its label, provided the material meets the specified requirements. Manufacturers are required to obtain a BIS license from the Bureau of Indian Standards to use the standard mark (ISI Mark). This license is granted following a successful evaluation of manufacturing infrastructure, quality control measures, testing capabilities, and production processes.

INDIAN STANDARD FOR CEMENTS

BIS CERTIFICATION PROCESS

Acquiring a BIS license requires a comprehensive review of manufacturing infrastructure, quality control abilities, testing resources, and production procedures. This thorough assessment guarantees that products not only adhere to regulations but also prioritize consumer safety and reliability.

NOTE:

For comprehensive guidance on the BIS ISI Certification process, please explore:

• Procedure for Domestic Manufacturers

• Procedure for Foreign Manufacturers

WHY USE ABSOLUTE VERITAS?

Absolute Veritas is a prominent organisation from the private sector of India primarily dealing with the Inspection, Testing, Audits, Certification of products& consulting services to various industries in India and worldwide, ensuring compliance with regulatory standards and industry requirements. Offering a comprehensive range of services including product certification, testing, training, auditing, and compliance services, Absolute Veritas helps manufacturers and importers achieve higher production efficiency and quality standards.

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