Capalac PU-Härter

Additive for alkyd enamels to accelerate drying and enhance the resistance to chemical and mechanical loads.

Field of Application

Suitable as additive for all types of alkyd enamels (alkyd resin varnishes), except water emulsified alkyd enamels, for adding 5 - 15 % by volume, if rigid and hard substrates are to be coated. For interior and exterior use. Particularly suitable to accelerate the drying of Capalac SolidGold and applicable as hardener for Capalac EffektLack, Hochglanz-Buntlack and Seidenmatt-Buntlack in the colour shades RAL 9006 and 9007.

Material Properties

  • Accelerates drying up to 40 %.
  • Enhances the resistance to chemical and mechanical loads.

Material Base / Vehicle


Packaging/Package Size

500 ml, 1 litre


Containers should be tightly closed and stored in a dry and cool, but frost-free place.


Approx. 0.98 g/cm3


The additive is colourless and reduces the opacity (hiding/covering power), depending on the amount of added hardener; viscosity is slightly diminished. The gloss level of silk/semi matt and silk gloss finish is slightly increased. For professional use only!