Nanjing SiSiB Silicones Co., Ltd.
Nanjing SiSiB Silicones Co., Ltd.
SiSiB® WR2020
SiSiB® WR2020

Methyl Hydrogen Silicone Fluid

SiSiB® WR2020 is a methylhydrogen silicone fluid in which some of the methyl radicals of dimethyl silicone fluid are replaced by hydrogen.

SiSiB® WR2020 silicone water repellent is similar to MH-1107 (DowCorning), TSF-484 (Momentive), DF-1040 (Momentive), Rhodorsil H68 (Rhodia), SILRES BS 94 (Wacker) and KF-99 (ShineTsu).

A clear coating with good water repellency, mold releasability, and lubricity is obtained by baking this product onto the surface of various materials.

SiSiB® WR2020

Technical Data


63148-57-2 or 9004-73-3

Color and Appearance

Colorless clear liquid

Active Ingredient


Specific Gravity 25°C


Refractive Index 25°C


Flash Point


Volatile Content

<1% [150°C, 2hrs]

Hydrogen Content


Viscosity 25°C

17~25 mm2/s


  • SiSiB® WR2020 polymethylhydrogensiloxane may be used for water repellent (hydrophobing) treatment of plasterboard and plaster blocks.

  • SiSiB® WR2020 methylhydrogenpolysiloxane may be used for treatment of powders and granular materials to make them water repellent.

  • SiSiB® WR2020 may be used for water repellent treatment of textiles (flat, natural, synthetic or mixed, knitted, non woven silicone fabrics) either in a solvent system or in an aqueous emulsion using an appropriate technique.

  • SiSiB® WR2020 may be used for treatment of dry-spayed substances (like extinguisher powders, various fillers) to make them free flowing and to reduce caking.

  • SiSiB® WR2020 water repellent for gypsum may be used for impregnation of cylinder head gaskets in order to improve their permeability properties.

Packing and Storage

  • SiSiB® WR2020 silicone fluid is supplied in 200Kg steel drum or 1000Kg IBC tote.

  • In the original unopened packaging, SiSiB® WR2020 has a shelf life of one year in a dry and cool place.

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SiSiB® WR2020