Boiled To determine the safety of boiled linseed oil (BLO), it is essential to distinguish it from its raw counterpart. When it comes to finishing wood, particularly items that might come into contact with food, safety is paramount.
Health Risks of Boiled Linseed Oil When Wet and Uncured
Pure linseed oil (linum usitatissimum) is generally recognized as safe (GRAS) when used as a food nutrient supplement, but the additives in BLO complicate this status. Recommendations for Food Contact Applications If you are considering using boiled linseed oil for a project that will touch food, there are best practices to follow.
While boiled linseed oil is widely used in the industry, regulatory bodies like the FDA have specific lists of approved indirect food additives. Second, apply multiple thin coats and allow ample curing time—waiting a week is not uncommon—to ensure complete polymerization.
Health Risks of Using Boiled Linseed Oil When Wet
Regulatory and Practical Standards Handling or ingesting wet boiled linseed oil poses health risks that are distinct from the dry finish. Why Curing Time Matters Safety is directly tied to the curing timeline.
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