Epoxy Primer 4:1

Anticorrosive epoxy primer


Colour Art. No. Capacity Quantity per box
light grey5429 0,8 l + 0,2 l6
black 9880 0,8 l + 0,2 l6
white 9882 0,8 l + 0,2 l6

Gloss grade

Epoxy Primer 4:1



High-quality 2K epoxy primer with anticorrosive additives. Perfectly protects steel substrates against corrosion in the car repair process. Can be used as a filling or isolating primer. Suitable for application wet on wet.


  • Excellent protection of steel surfaces.
  • Very high adhesion to various substrates.
  • Easy to mix and apply.
  • Exceptional fluidity.


Anticorrosive epoxy primer can be applied directly on:

  • Steel and aluminum after matting and degreasing.
  • Zinc-coated and galvanized steel after matting and degreasing.
  • Sanded glass fibre-polyester ((GFK/GRP) and glass fibre-epoxy laminates.
  • Polyester body fillers and epoxy body fillers.
  • Old paint coatings in good condition after matting and degreasing.

Good surface preparation is essential to achieve the best repair results.

Important informations

  • Przetrzeć odtłuścić


  • Proporcje mieszania

    Mixing proportion
    4 : 1 + 15%
    4 : 1 + 25%
    4 : 1 + 50%

  • Lepkość natryskowa

    Spraying viscosity
    55 ÷ 60s / 20°C
    35 ÷ 40s / 20°C
    18 ÷ 20s / 20°C

  • Żywotność mieszanki

    Pot life for the mixture
    ~ 3h / 20°C

  • Liczba warstw

    2÷3 layers
    HVLP / RP
    ø1,5 ÷ 2,0 mm

  • Czas odparowania

    between layers
    5 ÷ 10 min.

  • Czas odparowania

    before baking
    ~ 10 min.

  • Czas utwardzania

    Drying time
    8 h / 20°C
    45 min. / 60°C

  • Szlifowanie na sucho

    P360 ÷ P500

  • Szlifowanie na mokro

    P600 ÷ P1000

Application process

  • Zastosowanie
  • Use

    For car repairs, as a filling or isolating primer, for sanding or wet on wet application.

  • Proporcje mieszania
  • Mixing proportion per volume

    Primer: 4
    Hardener: 1
    Thinner: 15÷50%

    Stir thoroughly until obtaining a homogenous mixture.

  • Lepkość natryskowa
  • Spraying viscosity

    55÷60 seconds at 20°C thinner 15%
    35÷40 seconds at 20°C thinner 25%
    18÷20 seconds at 20°C przy thinner 50%

  • Żywotność mieszanki
  • Pot life for the mixture

    About 3 hours at 20°C

  • Liczba warstw
  • Number of layers

    2÷3 layers.
    Recommended coatings thickness for isolating primer: 50÷70µm of dry layer
    Recommended coatings thickness for filling primer:
    200÷250µm of dry layer

    RP gun parameters
    Nozzle: 1,6÷2,0 mm; Pressure: 2,0-2,2 bar.

    HVLP gun parameters
    Nozzle: 1,5÷1,9 mm; Inlet pressure: 2,0 bar.

  • Czas odparowania
  • Flash off time

    Between layers: 5÷10 minutes
    Before baking: about 10 minutes
    Before topcoating (wet on wet): 60÷120 minutes

    Flash off time depends on the temperature and coating thickness.

  • Czas utwardzania
  • Drying time

    about 8 hours at 20°C (depending on coating thickness).
    about 45 minutes at 60°C (depending on coating thickness).

    Temperatures below 20°C significantly increase the drying time.

  • Suszenie promieniem IR
  • IR drying

    10÷15 minutes under short wave for a coating thickess of 150÷200µm.
    Do not exceed maximum temperature of 60°C.
    Use according to the recommendations of the equipment manufacturer.
    Wait about 10 minutes before starting IR drying.

  • Szlifowanie na sucho
  • Dry sanding

    Machine sanding: P360÷P500
    Manual sanding: P280÷P320.

  • Szlifowanie na mokro
  • Wet sanding

    Machine sanding: P600÷P1000.
    Manual sanding: P800÷P1000.

  • Informacja
  • Further work

    2K epoxy primers can be directly over coated with:

    • 2K top coats.
    • 1K base coats.
    • 2K acrylic primers.
    • 2K polyester body fillers.
    • 2K epoxy body fillers.
  • Informacja
  • General notes
    • Do not exceed recommended doses of the hardener!
    • The best repair results can be achieved by painting at room temperature. The temperature in the body shop and the temperature of the product should be similar. When working with 2K products, it is recommended to use personal protection equipment. Protect the eyes and airways.
    • The rooms should be well ventilated.
    • Clean the guns and equipment immediately after use.
    • This product cannot be applied on wash primers and 1K primers.

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

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