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In this competitive scenario, it isn't easy to survive in the market without a standard quality and certified product. BIS license may also be required to sell products in the Indian market.

To get BIS certification and produce a standard quality product, the manufacturer must ensure that their product must follow the specified Indian standard.

Let's take a closer look at IS 15030:2001 for Terephthalic Acid.

IS 15030:2001 covers Terephthalic acid. The Bureau of Indian Standards adopted this Indian Standard after the Petroleum, Coal, and Related Products Division Council approved the draft finalized by the Organic Chemicals Sectional Committee.

This standard specifies the requirements and sampling and testing methods for pure terephthalic acid. Terephthalic acid is produced by oxidizing para-xylene, and it is also known as para phthalic acid, benzene para dicarboxylic acid, or 1,4 benzene dicarboxylic acid in the commercial world. By combining with glycols, it is used in the production of synthetic resins, fibres, and films.

The material must be in the form of a white, crystalline, free-flowing powder that is free of foreign impurities such as dust and dirt. Terephthalic is not soluble in water, chloroform, ether, or acetic acid, but it is slightly soluble in alcohol and completely soluble in alkalis, and Terephthalic acid is extremely non-toxic. When tested according to the method specified, the material must also meet the requirements specified in the standard.

Test shall be carried out in accordance with the method prescribed in the standard.

• Moisture content
• Determination of colour
• Determination of Ash
• Acid value
• Determination of Iron, cobalt, manganese, and chromium

The material shall be supplied in 1000 kg bulk containers of flexible woven plastic or in packages agreed upon between the purchaser and the supplier.

The packages must be marked with the following information in accordance with the standard.

• Name of material
• Source of manufacture
• Net mass of the materials in the container
• Lot or batch number

The Standard Mark (ISI Mark) may also be applied to the containers. Conforming to the requirements of this standard, the product(s) may be certified under the provisions of the Bureau of Indian Standards Act, 2016 and the Rules and Regulations framed thereunder. 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.