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Silicone Fluid - Methyl Hydrogen Polydimethylsiloxane

SiSiB® WR2020

Synonym: Methylhydrogenpolysiloxane, Methylhydrogen siloxane,
Methyl hydrogen polysiloxane, Methylhydrogen fluid, Methyl hydrogen silicone fluid.

Countertype of Wacker's SILRES BS-94, DowCorning's MH-1107, Momentive's TSF-484 & DF-1040, Rhodia's Rhodorsil H68 and ShineTsu's KF-99.

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

SiSiB® WR2020 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.
Typical Physical Properties
Product: Polymethylhydrogensiloxane
CAS No.: 63148-57-2 or 9004-73-3
Flash Point: >160°C
Color and Appearance: Colorless clear liquid
Specific Gravity [25°C]: 0.990~0.998
Refractive Index [25°C]: 1.397
Active Content: 100%
Volatile Content: <1% [150°C, 2hrs]
Hydrogen Content: 1.6%
Viscosity [25°C]: 16~24mm2/s
SiSiB® WR2020 may be used for water repellent (hydrophobing) treatment of plasterboard and plaster blocks.

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

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 may be used for impregnation of cylinder head gaskets in order to improve their permeability properties.

SiSiB® WR2020 may be used for water repellent treatment of textiles (flat, natural, synthetic or mixed, knitted, non woven fabrics) either in a solvent system or in an aqueous emulsion using an appropriate technique.
SiSiB® WR2020 is supplied in 200Kg steel drum or 1000Kg IBC tote.
Technical Library
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