Silicone Fluids - Methyl hydrogen silicone fluid

SiSiB® PF2020

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® PF2020 is a methylhydrogen silicone fluid in which some of the methyl radicals of dimethyl silicone fluid are replaced by hydrogen.

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

Chemical Name: Methylhydrogenpolysiloxane
CAS No.: 63148-57-2 or 9004-73-3
Empirical Formula: N/A
Molecular Weight: N/A
Boiling Point: N/A °C [760mmHg]
Flash Point: >200°C
Color and Appearance: Colorless clear liquid
Specific Gravity [25°C]: 0.990~0.998
Refractive Index [25°C]: 1.397
Active Ingredient: 100%
Volatile Content: <1% [150°C, 2hrs]
Hydrogen Content: 1.6%
Viscosity [25°C]: mm2/s
SiSiB® PF2020-10 7~15
SiSiB® PF2020-20 16~24
SiSiB® PF2020-30 26~34
SiSiB® PF2020-40 36~44


SiSiB® PF2020 may be used for water repellent (hydrophobing) treatment of plasterboard and plaster blocks.

SiSiB® PF2020 may be used for treatment of powders and granular materials to make them water repellent.

SiSiB® PF2020 may be used for treatment of dry-spayed substances (like extinguisher powders, various fillers) to make them free flowing and to reduce caking.

SiSiB® PF2020 may be used for impregnation of cylinder head gaskets in order to improve their permeability properties.

SiSiB® PF2020 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.


Net weight 210Kg steel drum or 1000Kg IBC container, for more details, please visit Packing Centre.

Technical Library

Download Technical Data Sheet Safety Data Sheet


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