Primer HS PU 411

Primer HS PU 411

Indicated for promoting filling and adherence in the preparation of metallic surfaces in general paintings or small repairs, presents good performance when applied in combination with polyurethane and/or polyester finishings.

For application in plastic parts and fiberglass, the use of MAXI RUBBER Plastic Sealer is recommended.

ATTENTION: For ferrous and non-ferrous metals, the application of the Wash Primer Maxi Rubber is required for a perfect adhesion and greater anticorrosion protection.


CATALYSIS

4 parts in volume of Primer PU 411

1 part in volume of the Catalyst Primer PU 411


DILUTION

1 part in volume of the Diluent for PU Maxi Rubber


VISCOSITY OF APPLICATION

18 - 30 seconds  Ford Cup 4 at 25ºC


APPLICATION

• Homogenize the product before its application.

• Apply 2 to 3 underlays, respecting the application interval of 5 - 10 minutes between underlays.


TYPE OF SPRAYER

• Conventional sprayer - nozzle: 1.5 mm - 2.0 mm – Application pressure: 40 - 50lbs/pol²

• HVLP sprayer - nozzle: 1.7 mm - 1.9 mm – Application pressure: 21 - 36lbs/pol²


DRYING

Drying time at ambient air at 25ºC 

Touch: 20 - 30 minutes 

Handling: 1h – 2h

Total: 2h - 3h for sanding 

Oven (60º): 30 minutes


SANDING

Dry: initiate with 320 or 400 grit sanding sheet / finish with 400 or 600

 

Wet: initiate with 400 grit sanding sheet / finish with 600 grit sanding sheet


• For ferrous and non-ferrous metals, prepare the surface and apply Maxi Rubber Wash Primer for a perfect adhesion and greater anti-corrosive protection.

• If necessary, correct primer imperfections using rapid compound and reapply the primer over the area.

• Always use the indicated thinner for dilution.

• Perform sanding only after the recommended drying time in order to prevent lapping.


Packing
  • Packing of 900ml (2MG002)
Shelf life

2 year. Stored at a temperature of 15 to 35ºC and away from humidity.

Yield
  • 10 m²/liter per underlay. From 20 to 50 micron per underlay (it may vary according to the dilution performed)
Composition

Primer: Acrylic resin, organic and inorganic pigments, organic solvents and additives.
Catalyst: Polyisocyanate and organic solvents.
Diluent: Organic solvents.

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