Polyester Resin

Polyester resin

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art. nr.


quantity per carton


1 kg + 40 g hardener



5 l + 200 g hardener


Gloss grade

high gloss

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Polyester resin designed for manual laminating. In combination with a glass fiber mat, it is perfect for repairing car bodies, caravans, boats and yachts. Available in the standard and fast versions.


  • Very good adhesion to metal.
  • Good hardness with high elasticity.
  • Minimal shrinkage.
  • Good sanding properties.


The product has very good adhesion to various substrates.

It can be applied over:

  • Steel and aluminum after flatting and degreasing.
  • Zinc coated steel after flatting and degreasing.
  • Sanded glass fibre (GFK/GRP), polyester putties, acrylic and epoxy primers and existing paint coatings in good condition.

Do not apply the polyester resins directly on the wash primers, 1K acrylic and nitrocellulose products

Important informations

mixing ratio
100 : 4

pot life
standard: 19 ÷ 21 min. / 20°C
fast: 14 ÷ 16 min. / 20°C

drying time
standard: 35 ÷ 45 min. / 20°C
fast: 30 ÷ 35 min. / 20°C

P80 ÷ P120

Application process


Especially recommended for repairing large damages and corroded parts of the car body.

Mixing ratio per weight

Resin 100
Activator 4

Stir very well.

Layer thickness

Several layers of mat can be applied.
Standard version
Pot life: 19-20 minutes at 20°C
Fast version
Pot life: 14-16 minutes at 20°C

Drying time

Standard version
35÷45 minutes at 20°C.

Fast version
30÷35 minutes at 20°C.

Temperatures below 20°C significantly increases the drying time.


Coarse sanding (dry): P80÷P120.

1/Prepare suitable piece of glass mat, approximately 2 cm bigger than the damaged place.
2/Mix the resin with the hardener and spread it onto the cleaned surface using a brush.
3/Place the mat, press it and soak with resin using a brush. Several layers of the mat can be applied.
4/Wait approximately 40 minutes for standard version and 30 minutes for fast version. Mechanically sand the laminate surface or level it up with a polyester putty.
5/Minimum application temperature is +10°C.

Caution: Do not pour the remains of the mixed resin and hardener back to the tin.

Further work

Polyester laminates can be directly over coated with:
- 2K polyester body fillers and putties.
- 2K polyester spray fillers.
- 2K epoxy putties.
- 2K acrylic primers.
- 2K epoxy primers.

General notes

- The rooms should be well ventilated.
- When working with 2K products, it is recommended to use personal protection equipment. Protect the eyes and air ways.
- Clean the equipment immediately after use.

Caution: To maintain safety, always follow the instructions given in the MSDS for the products.

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