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Soluble Sodium Silicate (water-glass) is a liquid containing dissolved glass which has water like properties. It is widely used in industry as sealants, binders, deflocculants, emulsifiers and buffers. Its most common applications in India are in the paper and pulp industry (where it improves the brightness and efficiency of peroxide bleaching) and in detergent industry, in which it improve the action of the detergent and lower the viscosity of liquid soaps etc. ADO ADDITIVES MFG PVT. LTD. (AMPL) manufactures Neutral Grade liquid Sodium Silicate which is a solution of Soda (Na2O) and Silica (SiO2) in water. ADO’s liquid Sodium Silicate is made from sodium silicate glass, which is produced in furnace by melting high purity sand with soda ash. ADO’s liquid Sodium Silicate is alkaline in nature (pH 11-12) and is available in a wide range of SILICA: SODA ratios for use in different types of industrial applications. Silicate binders are traditional; core and mould binders used in the foundry industry. Recent health and safety guidelines and increasing environmental legislation has led to a renaissance of this inorganic and odourless class of foundry binding agent. AMPL produces wide range of silicate binders for the production of both moulds and cores using both CO2 and liquid catalysts. The benefits of AMPL’s Sodium Silicate systems are:

  • Economical
  • Less toxic than conventional resin binder systems
  • No Nitrogen, Sulphur or Phosphorous content
  • High resistance to hot tearing
  • Low viscosity
  • Good compact-ability
  • Excellent breakdown characteristics

Our Neutral Grade Liquid Sodium Silicates are characterized by the property data shown below. The properties and ranges shown are typical values, not manufacturing specifications. Physical properties are measured at 20⁰C.


APPEARANCE Hazy Viscous Liquid
COLOUR Light Gray
RELATIVE DENSITY (at 20⁰C) 1.350 ± 0.02
Na2O (%) 8.5 ± 0.5
SiO2 (%) 35.5 ± 1
pH VALUE 11-12


  • AT-SS (NG) is available in 250 kg HDPE container
  • Shelf life is 12 months in original & sealed packing
  • Keep packing in cool, dry place away from heat, cold and moisture at temperatures between +1°C and +20°C
  • Protect against contamination
  • Stir material well before use


  • Protect hands with rubber gloves and eyes with goggles.
  • Accidental splashes to the skin or eyes must be rinsed immediately with clean water.
  • Store in well-labeled containers.
  • Non dangerous goods, please observe Material Safety datasheet.