How Long Does Linseed Oil Last on a Car?

February 2, 2024

Linseed oil is a natural, solvent free paint with many advantages over modern chemical-based plastic paint. It dries slowly and does not turn rancid, which makes it an excellent choice for painting wood surfaces like doors and window frames. It is also a great rust encapsulator.

It is important to note that the linseed oil must be raw (not boiled). Boiled linseed oil is not as good a rust encapsulator and will quickly turn rancid. It is often used in interior and furniture wood preparation products and is the main ingredient in boiled linseed oil exterior paints.

Boiled linseed oil is cured through its interaction and chemical reaction with oxygen, which creates heat. Therefore, linseed oil soaked rags can spontaneously combust if they are wadded up and placed in a trash can or thrown away with other combustible materials. This is why we recommend spreading out linseed oil soaked rags to dry before throwing them out.

Allback only uses 100% clean, organic linseed oil in their paints. We use a special technique called “hot water” cleaning” that removes the protein in the oil that causes mildew. This is very different from the way most other companies handle linseed oil for their paints and they do not clean it at all, which causes problems with mildew and shortens the lifespan of the paint. In addition, Allback only uses low VOC (Volatile Organic Compound) solvents to thin their paints. This is a much safer and healthier way to work than the common practice of using mineral spirits, which can penetrate your skin and enter your blood stream.


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