V2012 HS 4:1

High build primer for zinc coated steel

Variants

Colour	Art. No.	Capacity	Quantity per carton
grey	7228	0,8 l + 0,2 l	6
black	12452	0,8 l + 0,2 l	6
white	13019	0,8 l + 0,2 l	6
grey	9974	3,75l	4
black	9973	3,75l	4
white	9972	3,75l	4
hardener	9975	0,95l	4

Gloss grade

matt

Technical documentation

Weight/Volume Calculator

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Description

Highest quality 2K acrylic primer with excellent adhesion to difficult surfaces, in particular aluminum and galvanized steel, as well as polyester putties and old paint coatings. HS primer with very good filling properties for car body repair. Thanks to its very good insulating properties and good corrosion protection, it can be applied directly to bare metal.

Advantages

Excellent adhesion to difficult substrates.
Easy to mix and apply.
Exceptional vertical stability.
Great filling and insulating properties.
Easy sanding

Substrates

V2012 4:1 acrylic primer can be applied directly on:

Steel and aluminum after matting and degreasing.
Zinc-coated steel after matting and degreasing.
Sanded glass fibre-polyester laminates (GFK/GRP).
Polyester body fillers and putties.
Epoxy primers.
Wash primers.
Old paint and original coatings in good condition after matting and degreasing.

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

Important informations

degrease
Mixing ratio
4 : 1 + 10%
4 : 1 + 20%
Spraying viscosity
40 ÷ 50s / 20°C (filling primer)
25 ÷ 30s / 20°C (isolating primer)
Pot life
60 min. / 20°C
2÷3 layers
HVLP / RP
ø1,6 ÷ 2,0 mm
between layers
5 ÷ 10 min.
before baking
5 ÷ 15 min.
Drying time
2 ÷ 3 h / 20°C
20-30 min. / 60°C
P360 ÷ P500
P600 ÷ P1000

Use
For car repairs as a filling or grounding primer.

Mixing proportion per volume
Primer: 4
Hardener: 1
Thinner max: 10% (filling primer), 20% (grounding primer)
Stir thoroughly until achieving homogenous mixture.

Spraying viscosity
40÷50 seconds at 20°C (filling primer )
25÷30 seconds w 20°C (grounding primer)

Pot life
Approx. 60 minutes at 20°C.

Number of layers
2÷3 layers; 60÷300µm depending on the size of the nozzle gun.
Parameters for RP spray gun
Nozzle: 1,6÷2,0 mm; Pressure : 2,0-2,2 bar.
Parameters for HVLP spray gun
Nozzle: 1,5÷1,9 mm; pressure inside the nozzle: 2,0 bar.

Flash off time
Between coats: 5÷10 minutes
Before baking: 5÷15 minutes
Flash off time depends on temperature and film thickness.

Drying time
At 20°C:
Filling primer /130÷300 µm/ – ready to sand after drying overnight.
Grounding primer /60÷130 µm/ – ready to sand after 3÷4 h.
At 60°C panel temperature:
Filling primer /130÷300 µm/ – ready to sand after baking for 35÷40 minutes and cooling dawn (about 2 h).
Grounding primer /60÷130 µm/ – ready to sand after baking for 25÷30 minutes and cooling dawn (about 2 h).
Temperatures below 20°C significantly increases the drying time.

IR drying
Filling primer /130÷250µm/: 10÷15 minutes under short wave.
Grounding primer /60÷130 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.

Dry sanding
Machine Sanding: P360÷P500.
Manual Sanding: P280÷P360.

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

Further work
2K acrylic primers can be directly over coated with:
- 2K acrylic top coats.
- 1K base coats.

General notes
- Do not exceed recommended doses of hardener!
- The best repair results can be achieved at room temperature. Temperature in body shop and temperature of a product should be the same.
- 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.