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Glass

The glass industry is a major user of the soda ash manufactured to customer specifications by Tata Chemicals, the world's second-largest producer of soda ash. With manufacturing facilities in India, UK, US and Kenya, TCL is the world's most geographically diversified soda ash company, with an efficient supply chain that can service customers across the globe.

TCL offers a broad range of soda ash grades, in terms of densities and particle size distribution, for various applications. The single largest use of dense soda ash is in the manufacture of glass. TCL also customises soda ash to cater to client specifications.

Dense soda ash is mainly used in the production of a variety of glass articles. In order to lower the melting temperature of sand (more than 1,700o Celsius), and to be able to use appropriate melting containers, a fluxing agent, usually sodium oxide, is introduced to the glass batch. Soda ash (sodium carbonate) is introduced to the glass batch as anhydrous, white powder. During the melting process, sodium oxide becomes part of the glass. Carbon dioxide is released, and is allowed to escape.

TCL offers its customers the option of customising its soda ash to suit their requirements for glass in various shapes, sizes and forms: flat glass and mirrors, bottles for beverages, jars for storing food, insulation materials, bulbs and other lighting, glassware, tableware, float glass, tubes for televisions and computers, and laboratory ware.

These factors are critical because it determines the properties of the final product.

The soda ash that TCL makes meets the stringent quality requirements of the glass industry. The bulk density of TCL's soda ash ensures uniform blending; the low chloride gives it more furnace life and the lack of lumps guarantees uniform blending, resulting in a negligible loss of soda in the furnace. Dense ash grains smaller than sand grains are preferred. The finer sodium carbonate grain is then capable of distributing more evenly on the surface of silica grains promoting early removal of CO2 before the liquid seals off the voids and channels in the batch.

Glass industry is a major user of soda ash. The nature of the continuous glass production process requires a reliable supply of raw materials of the highest quality and consistency.

Soda ash manufactured by TCE, Northwich is used in the large-scale production of flat glass for windows, glass containers such as bottles and tableware.

It is also a major component in the production of light bulbs,tubelights and specialised applications such as television screens, optical lenses and reflective road paint. It is also used in glass fibre for energy conservation.

 
 
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