Solid Solutions | Refined Linseed Oil - 1 Litre

Refined Linseed Oil - 1 Litre

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Refined linseed oil is the classic oil painting medium. Solid Solutions Refined Linseed Oil is made in Belgium and refined to remove impurities, giving a clearer, purer oil that is less likely to yellow than raw linseed oil. Add it to oil paint to improve flow, gloss and transparency, and to slow drying so you have more time to blend. The 1 litre bottle suits regular painters, larger works and studios, and it can also be used as a natural oil finish on bare timber.

Product details

Size
1 litre bottle
Type
Refined linseed oil
Made in
Belgium
Use with
Oil paints
Effect on paint
More flow, gloss and transparency
Drying
Slows drying for longer blending
Also suits
Bare, unfinished timber

Key features

Refined for clarity
Less yellowing than raw oil
Improves paint flow
Increases gloss
Glazing medium
Longer open time
Made in Belgium

What refined linseed oil does in oil paint

Better flow
A few drops loosen stiff paint straight from the tube so it moves more easily under the brush, giving smoother, more even brushwork.
Transparency for glazing
The more oil you add, the more transparent the paint becomes. Thin, oil-rich layers let colour glow through, which is the basis of glazing.
Richer gloss
Linseed oil dries to a glossy film, deepening colours and giving a richer finish.
More time to blend
It slows drying compared with paint used straight from the tube, giving you longer for wet-on-wet blending and soft transitions.

Refined vs raw vs boiled linseed oil

Refined linseed oil
Processed to remove impurities for a clearer oil that dries more predictably and is less likely to yellow. The choice for oil painting.
Raw linseed oil
Pressed from flaxseed with no further processing. It is darker, can yellow more and takes the longest to dry.
Boiled linseed oil
Treated or mixed with drying agents so it dries faster. Made for general woodwork rather than artists' paint.

How to use it with oil paint

1
Start with a few drops
Put a small amount of oil on your palette and mix it into your paint with a palette knife. Add more a little at a time.
2
Or dip the brush
For fine control, touch the tip of your brush in the oil before picking up paint.
3
Keep early layers lean
Use less oil in underlayers and more in upper layers (fat over lean) so the painting dries soundly without cracking.
4
Go easy with whites
Use it sparingly in whites and very pale tints, where any slight yellowing shows most.

Using linseed oil on timber

A natural oil finish
Refined linseed oil can be used on bare, unfinished timber. Apply a thin coat with a lint-free cloth, let it soak in, then wipe off all the excess. Allow each coat to dry fully before adding the next. Linseed oil dries slowly, so give it time, and follow the oily rag safety advice below.

FAQs

What is refined linseed oil used for?+
It is mainly used as an oil painting medium to improve flow, increase gloss and transparency, and slow drying for blending and glazing. It can also be used as a natural oil finish on bare timber.
Is refined linseed oil better than raw linseed oil for painting?+
For most oil painting, yes. Refining removes impurities, so the oil is clearer, dries more predictably and is less likely to yellow than raw linseed oil.
Does linseed oil yellow over time?+
All linseed oils can yellow slightly with age, especially in whites and pale tints and in paintings kept in low light. Refined linseed oil yellows less than raw oil, and using it sparingly in light colours helps.
How much linseed oil should I add to oil paint?+
Start with a few drops and add more gradually. Too much oil can slow drying significantly and weaken the paint film, so keep early layers lean and increase the oil in later layers.
Can I use refined linseed oil on wood?+
Yes. Apply thin coats to bare, unfinished timber, wipe off the excess and allow each coat to dry fully. It dries more slowly than boiled linseed oil.
Is linseed oil the same as flaxseed oil?+
Both come from the seeds of the flax plant. Refined linseed oil for art and timber is not a food product, so do not use it for eating or as a supplement.

Safety & storage

Oily rags
Rags and paper soaked in linseed oil can self-heat as they dry. Spread them flat to dry outdoors, or keep them under water in a sealed metal container before disposal.
Ventilation
Use in a well-ventilated area.
Storage
Keep the bottle tightly sealed, in a cool place away from direct sunlight.
Not for consumption
This is an art and timber oil, not a food or supplement oil. Keep out of reach of children.
Reviews

Customer Reviews

Based on 4 reviews
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D
Daniel Malecki
Linseed oil

All good

R
Rhyanna Husseini

love it so cheap and so good and such fast shipping

C
Charles & Sandra Perri

Refined Linseed Oil - 1 Litre

D
Diane Reeves
Paint

Best paint most vibrant colours thank you so much Solid Solutions 🤩