Tetra Ethyl Ortho Silicate

Tetra Ethyl Ortho Silicate [COUPSIL® TEOS]

Tetra Ethyl Ortho Silicate, also known as Tetra Autoxillan, is a flammable, colorless liquid with a medium boiling point and low viscosity. It smells like ethanol and is toxic. It is also soluble in alcohols and most common solvents and is rapidly hydrolyzed and degraded in contact with moisture.


Physical and chemical characteristics

Uses of Tetra Ethyl Ortho Silicate

  • Production of silicate aerosols
  • Cell-gel production
  • As a hardener, silicone adhesives and resins
  • Pure SiO2 powder production
  • Nano silica production
  • In repairing historic buildings and waterproofing building surfaces
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Packaging and shipping

Ethyl silicate can be stored in plastic or metal tanks. And it should stay away from flames or sparks. This product is offered in 20 and 200 kg plastic tanks. Due to the strong absorption of moisture, the atmosphere must be kept in the main containers and sealed.

Maintenance method

Store in the original container and sealed in a dry, low-light environment at a temperature of 10-30 اد C to prevent the material from evaporating and hydrolyzing as much as possible. If this product comes in contact with the skin, it should be washed immediately with water and if swallowed, see a doctor. This material is flammable and its vapors are toxic.