Cobra water-mixable oil paint
Cobra water-mixable oil paint
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About Cobra Water-mixable Oil Paint

Cobra is a genuine oil paint. The paint is made on the basis of drying oils and does not contain any water. An unusual property of this oil, however, is that it can be mixed with water. The paint can be used in all the usual oil paint techniques. Very high-quality pigments are used for this product range.

Cobra is available in the grades Cobra Artist and Cobra Study. Cobra Artist has a higher pigment content. Both grades have the highest degree of lightfastness +++ (at least 100 years lightfast under museum conditions).

It is pleasant working with Cobra water mixable oil colours as you do not have to use any white spirit. Brushes and palette knives can be cleaned simply using soap and water.

What are the differences between Cobra water mixable oil colours and other oil colours?

When painting with traditional oil colours, the harmful solvents white spirit or turpentine are used in the underlayers. With Cobra oil colours you can use water instead. Water replaces white spirit. In this way you can work without solvents, so that your working space is kept free of that unpleasant odour of solvents. With Cobra water mixable oil colours you can paint in the same way as with traditional oil colours.

What is the best way to mix Cobra water mixable oil colours with water?

Mixing with water can be done in two ways:

  1. Thin the paint a little with a small amount of water. Here the water and the paint have to be mixed well little by little to acquire a homogeneous mixture. The emulsion between water and oil does not occur spontaneously, but needs to be stimulated.
  2. Add water to a little bit of paint to create a very thin and transparent paint with a watercolour effect.

However, if a huge amount of water is added, then the greatly thinned oil does not produce enough protection for the pigments. For a first sketch where later thicker paint or paint thinned with medium is used to paint over it, this is no problem.

If a painting is made only with very thinned paint, it is recommended to add at least 20% Cobra Painting medium to the water.

How is it possible that Cobra oil paint can be mixed with water?

To allow oil and water to mix, an additive is needed. This additive helps to form a stable blend of small oil droplets in water. This blend is called an emulsion. The additive is known as an emulsifier.

Can Cobra be used in the same manner as standard oil colours for all painting techniques?

Yes, Cobra oil colours can be used for all oil painting techniques.

  • Painting alla prima (wet-on-wet painting)
  • Layered painting
  • Glazing
  • Impasto painting
Can I mix Cobra water mixable oil paint with traditional oil paint?

Traditional oil colours and Cobra can be combined to a maximum ratio of 1/5 (i.e. up to 20% of traditional oil colours). Up to a ratio of 1/5: oil 1/Cobra 5.

Can Cobra be combined with acrylic colours?

While this is technically possible, the long-term results are not known.

What can be used to prepare a surface for painting with Cobra water mixable oil paint?

All surfaces that are free of grease and are somewhat absorbent, such as paper, cardboard, cotton, linen and wood, can be prepared with Gesso. With an open woven canvas, it is recommended to apply a layer of Amsterdam acrylic binder first. This seals the meshes of the canvas so that the Gesso does not come through at the back.

On which canvases can Cobra be painted?

If Cobra is thinned with water, universally prepared canvases are the right choice. If no water is used, it is also possible to paint on canvases prepared in the traditional way with an oil-based primer.

Does Cobra paint contain ingredients that may cause an allergic reaction?

The paint contains different ingredients. Contact us if you require specific information.

Can residues of Cobra paint be flushed down the sink?

Paints may never be flushed down the sink. All products containing paint must be disposed off as household hazardous waste.