Polyester Spray Filler

Polyester spray filler

1 8

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art. nr.


quantity per carton

light grey


1 kg + hardener


light grey


3 kg + hardener

no box

Gloss grade


1 8

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Spray polyester filler creates a perfectly smooth surface, even on large vertical pannels.Ideal for for filling scratches left from application of polyester putties. Requires addition of thinner.


High quality 2K polyester spray filler dedicated for car body repair.

  • Easy application.
  • Short drying time.
  • Isolates very well primer and top coats from polyester body filler and putties.


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

  • Steel and aluminum after flatting and degreasing.
  • Sanded glass fibre (GFK/GRP), polyester putties, acrylic and epoxy primers and old paitn coatings in good condition.

Do not apply polyester spray fillers directly on the reactive primers, 1K acrylic and nitrocellulose products.

Important informations


mixing ratio per weight
100 : 4,5 + 10%

Spraying viscosity
~ 50s / 20°C

pot life
20 min. / 20°C

1÷3 layers
ø2,0÷ 3,0 mm

Between layers
~5 min.

before baking
~ 10 min.

drying time
2 ÷ 3 h / 20°C
25 ÷ 30 min. / 60°C

P180 ÷ P320

Application process


For filling small scratches in car bddy repairs and isolate acrylic coatings from polyester putties.

Mixing ratio by weight

Spray filler: 100
Hardener: 4,5
Thinner max 10%
Mix thoroughly until a homogeneous consistency is obtained.

Spraying viscosity

50 (+/-5) seconds at 20°C

Pot life

20 (+/-3) minutes at 20°C.

Number of layers

1÷3 layers
Gun parameters
Nozzle: 2,0÷3,0 mm
Pressure: As recommended by the equipment manufacturer, usually 2,0÷2,5 bar.
Coating thickness
Do not exceed thickness of 200µm for each wet layer.
Do not exceed tota thickness of 600 µm.

Flash off time

Between layers: about 5 minutes
Before baking: about 10 minutes

Flash off time dependes on the temperature and layer thickness.

Drying time

2-3 godziny w 20°C.
25-30 minut w 60°C.

Temperatures below 20°C significantly increase the drying time.


Final sanding (dry): P180÷P320.

IR drying

5÷7 min. under short waves, depeding on the total layer thickeness and type of radiator
Do not exceed maximum temperature of 60°C.
Use accordin to the instrusctions of the radiator's manufacturer.
Wait about 5 min. before starting IR drying.


1 liter of the mixture is enough to paint a surface of about 8 m2 of with a layer of 100 µm.

Further work

Polyester body fillers can over coated with:

- 2K acrylic primers,
- 2K epoxy primers.

General notes

Excessive amounts of hardener may cause problems with bleaching of the topcoat!
While working with 2K products use adequate personal protection equipment. Protect the eyes and air ways.
The rooms should be well ventilated.
Tools should be washed directly after application.
Caution: To maintain safety, always follow the instructions given in the SDS sheets of the product.

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