Byk® -220 S

Solution of a lower molecular weight unsaturated acidic polycarboxylic acid polyester with a polysiloxane copolymer. Acts as wetting and dispersing agent for solvent-borne systems.

Details

Producer
Supplier
Chemical Composition

Solution of unsaturated acidic polycarboxylic acid polyester with a polysiloxane copolymer

Advantages
  • Stabilizes all pigments
  • Prevents flooding/floating, formation of Bénard cells and silking
  • improved gloss and leveling
  • Reduces the mill base viscosity
  • Improves surface slip, leveling and orientation of flatting agents or aluminium flakes
  • Leads to a controlled flocculation of pigments
Other Applications

solvent-borne and solvent-free industrial, architectural, automotive, wood and furniture coatings

Technical data

Quantity Value Unit Comment
Appearance Properties
Physical state Fluid
Physical Properties
pigment content 3 - 10 % Recommended Levels in inorganic pigments
Density 0.96 g/ml 20°C
pigment content 8 - 16 % Recommended Levels in organic pigments
Titanium dioxide content 1 - 3 wt% Recommended Levels ion titanium dioxide
Thermal Properties
flash point 48 ºC
Chemical Properties
Non-volatile materials 52 % wt
Acidity number 100 mg KOH/g