REOLOSIL PM-20L is a grade of 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, adhesives.
Specific Surface Area (BET): 80-120 m2/g
Carbon content: 5.5%
M value: 65 vol. %
Bulk Density: 40 g/L (approximately)
pH (4%suspension): 5.2
It is used as thickening and thixotropic agents in the polar liquid systems such as epoxy resins, vinyl ester resins and polyurethane.