Byk® -375

Solution of polyether-polyester modified hydroxy functional poly-dimethyl-siloxane. Acts as a reactive silicone surface additive.

Details

Producer
Supplier
Chemical Composition

Polyether-polyester modified hydroxy functional polydimethylsiloxane

Advantages
  • Offers improved slip, solvent and weather resistance.
  • Exhibits improved anti-blocking properties and substrate wetting.
  • Imparts improved flow and leveling.
  • Provides less dirt retention.
  • Reduces surface tension.
  • Avoids Bénard cell formation.
  • Displays very good compatibility.
Other Applications

Used in solvent-borne, solvent-free, aqueous, and UV reactive coatings, and in topcoats containing OH-groups.

Technical data

Quantity Value Unit Comment
Recommended Levels 0.1 - 2 %
Physical Properties
Density 0.98 g/ml
Thermal Properties
flash point 78 ºC
Chemical Properties
Hydroxyl number 30 mg KOH/g
Non-volatile materials 25 % wt