Hopes 100 percent Tung Oil. A hard, beautiful hand-rubbed finish. Nature's drying oil for all fine woods, furniture and antiques. No sanding, no brush marks, runs or streaks, water and alcohol resistant. Rubs in like an oil; dries hard like varnish. This product is pure 100% Tung Oil. It is not thinned and contains no petroleum distillates. On small projects, this product can be used as it comes from the container, however, when working on a large surface or in high humidity areas, Hope's 100% Tung Oil should be thinned with an equal amount of mineral spirits such as paint thinner.