Multi DTM 4:1

Acrylic primer

Variants

ColourArt. No.CapacityQuantity per carton
grey14700 0,8l+0,2l6
black14701 0,8l+0,2l6
white14702 0,8l+0,2l6
grey fast153500,8l+0,2l6
black fast153520,8l+0,2l6
white fast153540,8l+0,2l6
grey slow153510,8l+0,2l6
black slow153530,8l+0,2l6
white slow153550,8l+0,2l6
grey14696 3,6l4
black 14697 3,6l4
white14698 3,6l4
hardener14699 0,9l4
hardener fast153480,9l4
hardener slow153490,9l4

Gloss grade

matt
Multi DTM 4:1

Technical documentation

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Description

High-quality 2K multifunctional acrylic primer with the addition of anti-corrosive agents and a very wide range of applications. It works perfectly both as a filling and a grounding primer and can be applied directly to metal, providing excellent protection against corrosion for areas sanded to bare steel. An additional advantage of the primer is the possibility of applying it with the „wet on wet” technique, without the need for sanding.

Advantages

  • Excellent anti-corrosion protection of steel.
  • Very good insulating and filling properties.
  • Very short curing time.
  • Can be applied using the „wet on wet” technique.
  • Strong adhesion to various types of substrates.

Substrates

Acrylic primer MULTI DTM 4:1 can be applied over:

  • Bare steel and aluminum after matting and degreasing
  • Zinc coated, galvanized steel.
  • Polyester laminates (GFK/GRP).
  • Wash primers.
  • 2-pack polyester putties, polyester spraying fillers.
  • 2-pack acryl fillers.
  • 2-pack epoxy fillers.
  • Old finishes in good condition.
  • Good surface preparation is necessary to achieve the best results of repairs.

Important informations

  • Przetrzeć odtłuścić

    degrease

  • Proporcje mieszania

    Mixing ratio
    4 : 1 + 5÷10%
    4 : 1 + 15÷20%
    4 : 1 + 25÷30%*

  • Lepkość natryskowa

    Spraying viscosity
    30 ÷ 40 s / 20°C
    20 ÷ 25 s / 20°C
    17 ÷ 19 s / 20°C*

  • Żywotność mieszanki

    Pot life
    15 min / 20°C
    15 min / 20°C
    20 min / 20°C*

  • Liczba warstw

    1 ÷ 2 layers
    HVLP / RP
    Ø 1.5 ÷ 2.0 mm

  • Liczba warstw

    1,5 layers
    HVLP / RP
    Ø1,2 ÷ 1,5 mm*

  • Czas odparowania

    flash off time
    5÷10 min
    5÷10 min
    20÷30 min*

  • Czas utwardzania

    Hardening time
    2÷3 h / 20°C
    1,5÷2,5 h / 20°C

  • Szlifowanie na sucho

    P360÷P500
    P320÷P500

  • Informacja

    * wet-on-wet option

Application process

  • Zastosowanie
  • Use

    For car repairs as a grounding primer for sanding (filling or priming option) and for the application with so-called wet-on-wet technique.

  • Proporcje mieszania
  • Mixing ratio by volume

    Primer : 4
    Hardener : 1
    Thinner :

    • 5-10% as filling primer
    • 15- 20% as grounding primer
    • 25-30% as wet on wet

    Stir thoroughly until achieving homogenous mixture.

  • Lepkość natryskowa
  • Spraying viscosity
    • 30÷40 seconds at 20°C for the filling version (at 5-10% thinner)
    • 20÷25 seconds at 20°C for the grounding version (at 15-20% thinner)
    • 17÷19 seconds at 20°C for wet on wet version (at 25-30% thinner)
  • Żywotność mieszanki
  • Pot life
    • about 15 minutes at 20°C for the filling and grounding version
    • about 20 minutes at 20°C for wet on wet version
  • Liczba warstw
  • Number of layers

    Sanding version: 1 ÷ 2 layers

    • Filling primer – approx. 80 µm for each dry layer.
    • Grounding primer – ok. 50 µm for each dry layer.

    Gun parameters:
    RP nozzle: 1.6÷2.0 mm; Pressure of input: 2.0÷2.2 bars.
    HVLP nozzle: 1.5÷1.7 mm; Inlet pressure: 2.0 bars.

  • Liczba warstw
  • Number of layers (wet on wet)

    Wet on wet version: 1,5 layers – approx. 30µm for each dry layer.

    Gun parameters:
    RP nozzle: 1.2÷1.4 mm; Pressure of input: 2.0÷2.2 bars.
    HVLP nozzle: 1.3÷1.5 mm; Inlet pressure: 2.0 bars.

  • Czas odparowania
  • Evaporation time

    between layers: 5-10 minutes
    before applying solvent base: approx. 20 minutes
    before applying water base: approx. 30 minutes

    Evaporating time depends on temperature and layer thickness.

  • Czas utwardzania
  • Hardening time

    At 20°C

    • Grounding version / 50 ÷ 100 µm / ready to sand after 1.5 ÷ 2.5 h.
    • Filling version / 80 ÷ 160 µm / ready to sand after 2 ÷ 3 h.

    Curing time at an object temperature of 60°C

    • Grounding version / 50 ÷ 100 µm / ready to sand after baking for 15 ÷ 20 minutes and cooling the coating (about 1h).
    • Filling version / 80 ÷ 160 µm / ready for grinding after baking for 20 ÷ 30 minutes and cooling the coating (about 1h).

    Temperature lower than 20°C is extending hardening time.

  • Suszenie promieniem IR
  • IR drying
    • Grounding version /50-100 µm/: 6-8 minutes under short wave.
    • Filling version /80-160 µm/: 8-10 minutes under short wave.

    Do not exceed 60°C. Use as recommended by the equipment manufacturer. Wait about 10 minutes before starting the heater drying.

  • Szlifowanie na sucho
  • Dry sanding

    Grinding machine: P360÷P500
    Hand sanding: P320÷P500

    Wet-on-wet doesn’t require sanding!

  • Szlifowanie na mokro
  • Wet sanding

    Grinding machine: P600÷P1000
    Hand sanding: P800÷P1000

    Wet on wet does not require sanding!

  • Informacja
  • Further work

    2K acrylic fillers can be directly over coated with:

    • 2K topcoats
    • 1K basecoats
    • 2K polyester putties
    • 2K acrylic primers
  • Informacja
  • General notes
    • Do not exceed recommended doses of the hardener!
    • The best repair results can be achieved 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. Protect the eyes and respiratory system.
    • 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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