Reolosil® PM-20L is a hydrophobic silica prepared by treating a high-purity fumed silica with polydimethylsiloxane. Its unique properties offer advantages in many applications: organic elastomers, paints, inks, coatings, and adhesives. It is used as a thickening and thixotropic agent in polar liquid systems such as epoxy resins, vinyl ester resins, and polyurethane.

Chemical Name: Siloxanes and Silicones, di-Me, reaction products with silica

CAS Number: 67762-90-7

Chemical Family: Silica

Synonyms: Dimethyl Silicone Polymer With Silica

Ask EM Sullivan Questions

GS

VD

View All Documents

Enhanced TDS

Identification & Functionality

Features & Benefits

CASE Ingredients Features
Industrial Additives Features
Materials Features

Applications & Uses

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Specific Surface Area80 - 120m²/g-
Carbon Content5.5%-
Bulk Densityapprox. 40g/l
pH (4% suspension)5.2--
Aluminium Contentmax. 20ppm-
Iron Contentmax. 20ppm-
Moisture Content (Dry up)⁽¹⁾max. 0.5%
Mean Particle Sizeapprox. 12nm-
Note

⁽¹⁾  When leaving plant

Packaging & Availability

Packaging Type
Supplied by
Packaging Information

Packaged in 10 kg / paper bag.