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Metal Primer WB


Product description:
Metal Primer WB is a water-based primer protecting against corrosion

Product properties and use:
Metal Primer WB is suitable for steel plates and pre-painted steel façade plates (for instance plastisol-covered) that need refreshment. Furthermore, the product is of course suitable for all kinds of steel in general – indoors as well as outdoors.
Metal Primer WB is to be coated with Isonit Roof Coating (all types and glosses)

Technical data

Water-dilutable primer based on acrylic dispersions

Light grey and oxide red

Packaging sizes:
20 l

Approx. 1,25 kg/l

Dry content:
Approx. 49 weight %, approx. 37 vol. %

5 at 60°

Spreading rate:
8 m2/l


  Theoretical spreading rate 

 Recommended layer thickness 



8,0 m2/l

120 µm

45 µm

The practical spreading rate depends on application method, form and surface of the material.

Before applying Metal Primer WB, the surface must be cleaned thoroughly using high-pressure in order to remove all dirt, grease and loose rust and paint. If rusty areas are found after the cleaning, treat with RustConverter according to description.

The primer must be stirred before use.

Normally, to be used undiluted. May be diluted with max. 5 % water.

Application temperature:
The temperature must be between 8° C and 30° C and 85 % RH.

Application method:
Brush, roller, or airless, nozzle sizes 19-21, 180-220 bar
Always make a test coat to ensure the compatibility of product and surface.

Drying time:
Laboratory tests

 Wet layer thickness 120 µm 

 20 °C / 65 % RH 

Touch dry

1 hour


2 hours

Fully cured

24 hours 

The drying and times for recoating depend on layer thickness, temperature, relative air humidity, and air circulation.

Cleaning of equipment:
Water and soap

Cool, protected from frost, in tightly closed packaging, and out of reach of children

No spillage into drains, to be disposed of at the local recycling centre

VOC: Max. 30 g/l (Kat. A/h)

ISO Metal Primer


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