Tung oil is a plant-based oil that is extracted from the nuts of the tung tree (Vernicia fordii). It is a natural, non-toxic oil that has been used for centuries in wood finishing and woodworking. Tung oil is known for its ability to penetrate wood, making it an effective wood sealant and finish. It has a yellowish color when applied and dries to a hard, durable finish that is resistant to water, heat, and UV light.Tung oil is often used as a natural alternative to polyurethane and other synthetic wood finishes. It is easy to apply and dries quickly, making it a popular choice for furniture, cabinetry, and other woodwork. It can be applied by hand or with a cloth or brush, and multiple coats can be applied to achieve a desired level of sheen and protection.Tung oil has a number of benefits for wood finishing. It is a non-toxic and eco-friendly option, as it is derived from a natural source and does not release harmful fumes during the drying process. It is also easy to repair and touch up, as it can be sanded and re-coated as needed. Tung oil is also resistant to water and heat, making it an effective finish for kitchen and bathroom cabinetry and other woodwork that may be exposed to moisture and heat.Overall, tung oil is a versatile and effective wood finish that is suitable for a wide range of woodworking projects. It is durable, non-toxic, and easy to apply, making it a popular choice for wood finishing professionals and DIYers alike.