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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.

The resin is available in 3 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.

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 at 20°C
Hardening time45 min at 20°C

Surface preparation

To achieve a full-quality and sufficiently strong laminate, use the following weight ratio:

  • For mats, use a 2:1 ratio – 2 kg of polyester resin for 1 kg of glass mat
  • For fabrics, use a 1:1 ratio – 1 kg of polyester resin for 1 kg of glass fabric

Further work:

For finishing the laminated sections, we recommend using materials such as:

  •  Sea-Line® epoxy fillers
  •  Sea-Line® epoxy primers
  •  Sea-Line® topcoats

You have questions about the product - Polyester resin

    Also check

    Our FAQ answers to frequently asked questions

    Can I purchase products directly from you?

    We do not sell retail. Our products can be found in many stores in Poland and abroad. Our distributors run stationary and online stores. The full list of distributors and contacts can be found on our website at the following link click here.

    Contamination in topcoat paint?

    Possible causes

    • Inaccurate surface cleaning before paint application,
    • Incorrect painting tools preparation (brush and roll),
    • Performing work in a place exposed to constant contact with dust.

    How to prevent

    • Careful surface preparation (grinding, clearing, degreasing),
    • Careful painting tools preparation before use,
    • Maintain clean work environment

    How to remove

    • Grind, clean and paint again.

    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.
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