Conversely, if you are using the "wipe-on" variety found in most big-box stores, you are dealing with a mixture that contains thinners. Rags soaked in tung oil can spontaneously combust if bunched together in a waste container because the drying process generates heat.
Is Tung Oil Safe Cutting Boards: Understanding the Real Risks
100% Pure Tung Oil: Low toxicity, minimal fumes, safe for most users. These thinners are petroleum-based and release high levels of VOCs, requiring a respirator and significant airflow to ensure the fumes do not accumulate in your workspace.
These products are typically a blend of tung oil, mineral spirits, and metallic dryers that accelerate the curing process. The solvent in these mixtures is the primary source of toxicity, releasing volatile organic compounds (VOCs) into the air during application.
Is Tung Oil Safe Cutting Boards: Understanding the Risks
The Application Phase: Ventilation and VOCs The question " is tung oil safe " is most relevant during the application stage. The FDA recognizes pure tung oil as Generally Recognized as Safe (GRAS) for indirect food contact.
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