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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

    Is it necessary to always sand the surface between application of two different products?

    We recommend to always sand the surface between applying two different products to ensure uniform surface roughness and adhesion of subsequent layers. The sanded surface should also be cleaned and degreased.

    Why the resin does not harden?

    Possible causes

    • Too low temperature of ambitne,
    • Incorrect proportion of base and herdener,
    • Mixing two components from two different manufacturers

    How to prevent

    • Apply the correct proportions of components
    • Maintain steady temperature (around 20ﹾC) during whole hardening process,
    • Mix the products thoroughly and bleed the mixture.

    How to remove

    • The uncured mass requires complete removal from the surface.

    Why the epoxy filler does not harden?

    Possible causes

    • Incorrect proportion of base and herdener,
    • Too low temperature of ambient and surface (less than 10ﹾC),
    • Mixing two components from two different manufacturers,

    How to prevent

    • Apply the correct proportions of components
    • Maintain steady temperature (around 20ﹾC) during the whole hardening process,
    • Use base and hardener from the same manufacturer

    How to remove

    • The uncured mass requires complete removal from the surface.
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