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Methyl Hydrogen Silicone Fluid RJ-202-15

Methyl Hydrogen Silicone Fluid RJ-202 is nontoxic and insipid. As there is fair quantity of relatively active Si-H bonds in the molecule, under the action of catalysts  it can react with chemicals containing active groups such as double bonds or hydroxyl groups.

This product can be converted into film and used to produce a resilient waterproof coating on various materials by using metal salt catalyst at low temperature. Thus, it equips itself with outstanding water repellent property which prevents damage due to moisture, as well as mildew and rust development. Besides, its high vapor permeability allows the material to breathe and let water, vapor escape to the outside without causing damage.

Technical Index




Colorless, transparent   liquid

Viscosity(at 25°C, mm2/s)


Hydrogen Content,%


Refractive index


Volatile Content: (120°C,   3H)

≤4 %

This product can be used in variety of applications, including:
It is used as waterproofing additive in the production process of gypsum board.
  • Water-repellent, hydrophobing, impregnating agent and moisture-proof treatment of powders, glass, ceramic, leather, paper, metal, cement and marble.
  • Antiadhesion isolating, releasing and cross-linking agents for paper.
  • Waterproof agent and softener for fiber glass.
  • Used as the cross linker for additional type silicone rubber series.
  • Used as the basic material and a fundamental intermediate to synthesize some modified silicone oil including polyether modified silicone oil and alkyl based modified silicone oil.
  • Used as hydrophobic agent, lubricant and antisticking agent of oily based foundation of cosmetics.