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Wind and Water in Katowice 2016

We would like to invite you in Katowice 04- 06 Nevember

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Wind and Water in Katowice 2016

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Our FAQ answers to frequently asked questions

Can I paint a boat, previously painted with 1 component paint, with polyurethane?

It is not recommended to apply 2K paints over 1K paints. 1K and 2K inks differ in their composition and properties, including hardness, chemical resistance and durability. 1K paints are one-component and dry by evaporating the solvent, while 2K paints are two-component and need to be cured by adding a hardener. Applying 2K paint over 1K paint can cause unpredictable chemical reactions and lead to undesirable effects such as dulling, chipping or flaking of the paint. Therefore, always use paints according to the manufacturer’s instructions and do not mix different types of paints. farby zgodnie z instrukcjami producenta i nie mieszać różnych rodzajów farb.

Why are the streaks formed?

Possible causes

  • Wrong viscosity and spraying technique,
  • Failure to maintain proper evaporation time and thickness of layers,
  • Incorrect spraying pressure,
  • Too low temperature of varnish, surface or space ,
  • Wrong thinner or hardener.

How to prevent

  • Apply the right type of application method indicated by manufacturer,
  • Use working spray guns,
  • Both the object and material must have room temperature of 20ﹾC,
  • Apply correct proportion of base and hardener.

How to remove

  • Grinding and polishing,
  • Grinding and painting,

Why the paint does not have the right flow?

Possible causes

  • No thinning, wrong thinner or wrong amount of thinner
  • Wrong type of roll or brush (wrong bristle lenght)
  • Applying too much or too Little paint,
  • During painting process temperature was too high or the air was too dry,
  • Incorrect preparation of too porous surface,
  • Incorrect proportion of thinner.

How to prevent

  • Use a brush/Toller suited to the type of surface or paint,
  • Use thinner which is dedicated to the type of application and paints
  • Use thinning proportions which was indicated by manufacturer,
  • Paint in right atmosphere conditions indicated by manufacturer,

How to remove

  • Grind, clean and paint again.
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