The duration required for a finish derived from the seed of the tung tree to cure varies considerably. Several factors influence the process, including the ambient temperature, humidity levels, and the number of coats applied. Thin, even applications are crucial for proper oxidation and polymerization, processes essential for the oil to transition from a liquid state to a solid, protective film. Inadequate preparation or excessively thick layers can significantly extend the drying timeframe.
A fully cured surface offers a durable, water-resistant barrier, enhancing the appearance and protecting the underlying material. Historically valued for its preservative qualities, the oil has been used for centuries in shipbuilding and furniture making. Its natural properties contribute to a pleasing aesthetic and a robust defense against moisture and wear, making it a desirable choice for various applications.