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Polyester resin

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Polyester resin

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.


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
Colortransparent
Packcode
250 g

500 g

1 kg

2392

6080

2480

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.


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Our FAQ
Answers to frequently asked questions

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 does the paint have no adhesion?

Possible causes

  • Wrong surface preparation,
  • Skipping the primer in the system application process,
  • Use of universal thinners or replacements ,
  • Paint incompatibility.

How to prevent

  • Correct surface preparation (grinding, clearing, degreasing),
  • Use primers which improve adhesion of paints,
  • Use thinners which are dedicated to each paints,
  • Use of paints which are compatible to each other.

How to remove

  • Grind, clean and paint again.

Why despite the use of antifouing paint the bottom of the boat is overgrown?

Possible causes

  • Too thin layer of antifouling paint,
  • Choosing the wrong antifouling to type of a boat or yacht
  • Thinning of antifouling paint,
  • Incorrect surface preparation before antifouling application.

How to prevent

  • Apply the right layer thickness of paint indicated by manufacturer,
  • Choose antifouling dedicated to type of boat or yacht and suitable for the type of water,
  • Do not thin antifouling because of the risk of reducing effectiveness,
  • Careful surface preparations (grinding, clearing, degreasing),

How to remove

  • Wet grinding, apply new layers of antifouling paint.
  • Use C1 shell and fouling remover.
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