boiled linseed oil
Quick Summary
Boiled linseed oil is a type of vegetable oil derived from the seeds of the flax plant. It is classified as a drying oil because it hardens when exposed to air, a property enhanced by heating the oil, often with metallic driers like lead soaps. This characteristic makes it valuable in industrial applications such as paints, printing inks, and varnishes. While lower quality linseed oil is used industrially, food-grade linseed oil, also known as flaxseed oil, is consumed for its health benefits, particularly its high content of the omega-3 fatty acid alpha-linolenic acid (ALA).123
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