Byk® -325

Technical Documents

Solution of a polyether modified methylalkylpolysiloxane copolymer. Acts as a silicone based leveling agent for solvent-borne and aqueous coatings.

Details

Producer
Supplier
Chemical Composition

Polyether modified polymethylalkylsiloxane

Advantages
  • Offers improved flow and leveling.
  • Gives partial defoaming properties.
  • Provides a slight reduction of surface tension.
  • Prevents Bénard cell formation.
  • Also prevents ghosting (wipe-marks) if recoated with the same paint.
  • Does not causes rewetting problems and does not influences recoatability.
Other Applications

Used in solvent-borne and aqueous coatings.

Technical data

Quantity Value Unit Comment
Recommended Levels 0.05 - 0.6 %
Physical Properties
Density 1.00 g/ml
Thermal Properties
flash point >46 ºC
Chemical Properties
Non-volatile materials 52 % wt