Linseed oil is an oil derived from the flax plant (Linum usitatissimum, Linaceae). It is obtained by pressing, followed by an optional stage of solvent extraction.

Its uses include:

  • Animal feeds
  • Putty
  • Sealants
  • Caulking compounds
  • Brake linings
  • Linoleum
  • Textiles
  • Foundry products
  • Leather treatment
  • Polisheses, varnishes and oil paints
  • Animal care products
  • Wood preservation

The linoleic acid in linseed oil is used as a dietary supplement.

Safety Note: Rags soaked in linseed oil can self-ignite if stored in a confined space. They should be washed with water and disposed of carefully.