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.
63148-57-2 or 9004-73-3
Color and Appearance
Colorless clear liquid
Specific Gravity 25°C
Refractive Index 25°C
<1% [150°C, 2hrs]
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.
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.