Glass Fibre

Structural polyester body filler reinforced with long glass fiber strands

1 8

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art. nr.


quantity per carton

greyish green


1000 ml


greyish green


500 ml


greyish green


3 l


Gloss grade


1 8

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High-quality polyester body filler reinforced with long glass fiber, designed for car body repairs. Recommended for repairing large dents and perforations. Long glass fiber strands provide exceptionally high mechanical strength while maintaining good flexibility and durable crack- free filling.


  • Perfect adhesion to metal.
  • High strenght and elasticity.
  • Short hardening time.
  • Good sanding properties.


The product has very good adhesion to various substrates. It can be applied over:

  • Bare 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 coatings in good condition.

We recommend sandpaper with gradations: P80÷P120.

Caution:  Do not apply the putty directly on the reactive primers, 1K acrylic and nitrocellulose products.

Important informations


mixing ratio by weight
100 : 2

pot life
5 ÷ 6 minutes

drying time
14 ÷ 24 min

P80 ÷ P150
P150 ÷ P240

Application process


Glass fibre reinforced polyester putty for car repairs.

Mixing propotion by weight

Putty : 100 parts
Hardener: 2 parts
Stir thoroughly until achieving homogenous paste. Be careful not to create air inclusions.

Layer thickness

Putty can be applied in several thin coats. After each of them the product should cure. Do not exceed the thickness of 5 mm.

Pot life is 5÷6 minutes at 20°C

Hardening time

14÷24 min. at 20°C.
Temperatures below 20°C significantly increase the drying time.


Coarse sanding (dry): P80÷P150.

Further work

Polyester putties can be over coated with:
- 2K polyester putties.
- 2K polyester spray fillers.

General notes

- Excessive amount of hardener will cause problems with bleaching of the topcoat!
- When working with 2K products, it is recommended to use personal protection equipment. Protect the eyes and air ways.
- Clean the guns and equipment immediately after use.
- The rooms should be well ventilated.

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

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