German technical background VOK ®- Disper W935 Wetting Dispersant

Wetting dispersant for unsaturated polyester resin

VOK ®- Disper W935 is used for gel coat, polyester paste and other filling or coloring paste systems. It prevents floating color and blooming of pigment binder in unsaturated polyester resin. It is used as a wetting and dispersing agent to prevent the sedimentation of inorganic pigments, alkaline pigments and carbonate pigments.

Chemical composition: unsaturated polycarboxylic acid polymer solution

Additive dosage: 0.25 - 5.0% inorganic pigment

0.50 - 1.5% filler

2.50 - 5.0% organic pigment

Typical physicochemical data: acid value: 180 mg KOH/g

Non volatile matter: 50%

Density 20 ° C: 0.95 g/ml

Refractive index: 1.490

Flash point: 28 ° C