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Polymerization is a "cooking" process that changes the molecular structure of pure, raw Tung Oil. Sutherland Welles Ltd's process takes the cook to its "maximum thermal threshold" creating a three-dimensional molecular locking that maximizes the bonding of the oil to the wood, increases durability and enhances Tung Oil's natural sheen and allows the oil to cure in a "reasonable" length of time (for most lustres the average curing time is twenty-four hours to re-coat) Polymerized Tung Oil is thick like molasses, with a slow drying and curing time. After polymerization, the oil is combined with solvents to allow the oil to penetrate the wood and improve its workability. The addition of chemical driers shortens the drying and curing time which completes the process of making Polymerized Tung Oil a wood finishing product. Sutherland Welles Ltd.® formulates the entire line with the "cleanest" solvents and the lowest toxic driers available. We are committed to "clean and green" and finisher-friendly products!
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As a penetrating oil finish, Polymerized Tung Oil allows the development of patina,
which is the lovely depth and tone of the wood color as it ages naturally. Sutherland
Welles Ltd.® Polymerized Tung Oil is a pure Polymerized Tung Oil that creates a finish
that is hard yet flexible, and impervious to alcohol and food acids. Maintaining the
finish is easy. Applied according to directions, the surface never has to be sanded again!
Recoating with a thin layer of Polymerized Tung Oil on a periodic basis preserves the wood
and restores the lustre to its original sheen. The finish becomes more beautiful with
time! Other manufacturers claim to make a "polymerized" Tung oil but
their process is shortened to avoid "over cooking ' the batch, solidifying it
and ultimately ruining it. They compensate for an "under cooked" polymerization
process by adding varnishes to improve the durability