ISI Mark for Cement

The BIS ISI mark for cement makers in India assures that their products fulfill the Bureau of Indian criteria’ quality and safety criteria. It is a necessary certification that indicates adherence to Indian Standard (IS) standards, such as IS 269 for Ordinary Portland Cement (OPC) and IS 1489 for Portland Pozzolana Cement (PPC). To receive the ISI mark, producers must go through testing, factory inspections, and quality checks. This accreditation confirms that building materials are durable, strong, and reliable. The ISI brand increases customer trust and assures that cement fulfills national regulatory standards for infrastructure and construction projects.

isi mark or cement-instacertify

SNO

PRODUCT

IS NO

1

Sulphate Resisting Portland Cement

12330

2

Low heat Portland Cement

12600

3

Portland Pozzolana Cement-Part1 Fly-ash based

1489 (Part 1)

4

Portland Pozzolana Cement-Part 2 Calcined clay based

1489 (Part 2)

5

Ordinary Portland Cement

269

6

Masonry Cement

3466

7

Portland Slag Cement

455

8

High Alumina Cement for Structural use

6452

9

Super sulphated cement

6909

10

Rapid hardening Portland cement

8041

11

White Portland Cement

8042

12

Hydrophobic Portland Cement

8043

13

Oil well Cement

8229

14

Composite Cement- Specification

16415: 2015

15

Microfine Ordinary Portland Cement- Specification

16993: 2018

16

High Alumina Refractory Cement

15895: 2018

Frequently Asked Questions

The ISI mark on a cement bag signifies that the product meets Bureau of Indian Standards (BIS) quality and safety norms, ensuring compliance with the relevant Indian Standard (IS) codes.

IS 16415 refers to Composite Cement, a blend of Portland Cement, Fly Ash, and Slag, offering improved durability, strength, and sustainability for construction applications, including high-performance concrete structures.

ISI stands for Indian Standards Institute, now known as Bureau of Indian Standards (BIS), which sets quality and safety norms for cement and other industrial products in India.

The best grade depends on the application. OPC 53 Grade is preferred for high-strength structures, while PPC and PSC are better for durability, water resistance, and eco-friendly construction.

No, IS 1489 is the standard for Portland Pozzolana Cement (PPC), which includes fly ash or calcined clay, enhancing durability and reducing environmental impact compared to Ordinary Portland Cement (OPC).