Raw linseed oil is suitable for impregnating wood and storing used brushes.
Raw linseed oil is a natural product and therefore less harmful to the environment.

Use/dosage
You can dilute raw linseed oil with 25 - 50% paint thinner or turpentine.
Raw linseed never dries out completely and dries more slowly than boiled linseed oil (add 1 - 5% siccative for quicker drying).

Caution! Risk of heating when absorbed by porous materials such as cloths, rags and clothing creating a fire hazard.
After use, pour water over cloths.
This product is only intended for professional use.