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Polyester resin

Polyester structural resin is recommended for laminating, reinforcing surfaces, patching holes, and repairs, especially in situations where the speed of repair execution is crucial.

WeightCode
250 g2392
500 g6080
1 kg2480
Polyester resin

Technical informations

Color

  • transparent

Application method

Manually:

  • brush
  • roller

Product description "Polyester resin"

  • Sea-Line® structural polyester resin is recommended for laminating, reinforcing the surface, and patching holes and damage – especially in situations where the most important is a fast repair time.
  • In conjunction with the glass mat, it is used for manual repairs of damage.

To obtain a fully-fledged and adequately strong laminate, use a 2:1 weight ratio of resin to glass mat for polyester or a 1:1 weight ratio of resin to glass fabric.To finish laminated surfaces we recommend using Sea-Line® fillers, Sea-Line® epoxy primers, Sea-Line® topcoats or a Sea-Line® gelcoat repair kit.

Basic information

TypeLaminates, steel
PlaceAbove and below waterline
FunctionLaminating, repairs, reinforcement, gluing
ApplicationBrush, roll
ThinningNot recommended
 Theoretical coverage for 1kg

(for 1 layer laminate)

performance for layer of laminate based on glass fibre mats
150 g/m²

300 g/m²

450 g/m²

~3,5 m²

~1,7 m²

~1,1 m²

performance for layer of laminate based on glass fibre
200 g/m²

400 g/m²

~5 m²

~2,5 m²

Coats numberAccording to your needs
Pot life 20°C10~15 min
Hardening time45 min

Surface preparation

The resin is available in 2 sets:

  • Set of 250 g
    contains a polyester structural resin with hardener, fibre glass mat (0,25m2), disposable gloves, a brush and a cup with a scale for easy dosing of ingredients and instructions for repair.
  • Set of 500 g
    contains a polyester structural resin with hardener and a cup with a scale for easy dosing of ingredients and instructions for repair.
  • Set of 1 kg
    contains a polyester structural resin with hardener and a cup with a scale for easy dosing of ingredients and instructions for repair.

You have questions about the product - Polyester resin

    Also check

    Our FAQ answers to frequently asked questions

    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.

    Can I paint the bottom of the boat with polyurethane paint?

    Yes, you can paint the bottom of the boat with polyurethane paint due to its high mechanical strength. We recommend this solution when the boat is not launched for a long time and is not exposed to fouling.

    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,
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