Following sanding, apply a generous amount of mineral oil or a wax mixture to seal the fresh wood. Unlike synthetic coatings, tung oil is a natural product that penetrates the grain, enhancing the character of the wood while providing a non-toxic barrier against moisture and bacteria.
Tung Oil Butcher Block Food Grade Certification Explained
Advantages Over Other Butcher Block Finishes When comparing options, the advantages of a tung oil finish become clear. For blocks that have lost their water resistance, a maintenance coat of pure tung oil can be applied to restore the hydrophobic barrier, bringing back the deep luster and protective qualities.
This process creates a hard, flexible film that is completely impermeable to water. The Science Behind Tung Oil Finish Understanding the chemistry explains why this finish is a favorite among serious cooks and woodworkers.
Understanding Food Grade Certification for Tung Oil Butcher Block
Many commercial "tung oil" finishes are actually blends labeled as "tung oil finish," which may contain metallic dryers. This balance of protection and breathability allows the wood to expand and contract naturally with humidity changes, preventing warping that can occur with plastic or lacquer finishes.
More About Tung oil butcher block
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