(An ISO 9001:2015, ISO 14001:2015 and ISO 45001:2018 Certified Company)

caustic soda lyeLords Chloro Alkali Limited
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Lords Chloro Alkali Limited
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Lords Chloro Alkalies Limited
Lords Chloro Alkalies Limited
Lords Chloro Alkalies Limited
Lords Chloro Alkalies Limited
Lords Chloro Alkalies Limited

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Home » Caustic Soda Lye (32% & 47%) & Flakes (99.9%)

Caustic Soda Lye (32% & 47%) &
Caustic Soda Flakes (99.9%)

caustic soda lye

Caustic Soda is a versatile basic chemical with a wide range of industrial applications. It is highly soluble is water and is practically insoluble in most organic solvents except alcohols. It is available in the form of lye (solution in water).

Lords Chloro Alkali Limited

  • Digestion of wood and bagasse for manufacture of pulp and paper.
  • Digestion of wood for manufacture of viscose staple fibre, viscose filament yarn and rayon tyre cord.
  • Manufacture of soaps and detergents.
  • Digestion of aluminium ore to make alumina as an intermediate in the production of aluminium.
  • Bleaching & processing of cotton textiles.
  • Regeneration of ion-exchange resins in water treatment plants.

caustic soda flakes

Lords Chloro Alkali Limited

Rayon Grade Caustic Soda Lye is manufactured in technical collaboration with UHDE GmbH of Germany, world leaders in chlor-alkali technology. Caustic Soda Flakes are produced using the latest technology and plant of Bertrams, Switzerland. Rigid quality control on inputs, process and outputs lead to high purity and consistent quality that permit standardization of its use in industry.

1. Specific gravity 2.13
2. Odour Odourless
3. Melting point
4. Boiling point 1390°C
5. Hygroscopicity Hygroscopic and deliquescent
6. Solubility in water Highly soluble
7. Solubility in organic solvents Solubles in ethanol, methanol, glycerol etc but insoluble in ether and benzene

Property Rayon Grade as per IS:252:1991 Caustic Soda
Lye Flakes
General appearance Free from foreign matter Clear, colourless liquid White Flakes
Sodium Hydroxide concentration - 47.5 0.2% 98%
Purity (on dry basis) 99.5% min 99.6% 99.6%
Sodium Carbonate content 0.40% max. 0.30% 0.30% - 0.35%
Chloride content (as NaCl) 0.10% max. 0.03% 0.03%
Sulphate content (as Na2SO4) 0.10% max. Traces Traces
Iron (as Fe) ppm 20 max. 10 max 10-15
Copper (as Cu) ppm 2 max. Not detectable Not detectable
Manganese (as Mn) ppm 1 max. Not detectable Not detectable
Matter insoluble in water % 1% max. Nil Nil

caustic Soda (Lye) is supplied in lorry tankers, Caustic Soda Solid is packaged in MS drums, and Caustic Soda Flakes are marketed in 50 Kg HDPE bags.

Handling and Storage
Caustic Soda is a highly corrosive substance and requires careful handling. There should be no contact with bare skin. Caustic Soda flakes should be stored under dry conditions away from acids, organic chemicals, metals such as aluminium, tin, zinc, lead etc. and their alloys.

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