• What is tung oil?
  • Tung oil or China wood oil is a drying oil obtained by pressing the seed from the nut of the tung tree ( Vernicia fordii ). Tung oil hardens upon exposure to air (through polymerization ), and the resulting coating is transparent and has a deep, almost wet look.
  • When was tung oil produced?
  • Commercial tung oil production in the southeastern United States began with the first commercial processing plant in 1927 and increased rapidly from 1,000 tons produced in 1939 to 132,000 tons in 1952, yielding 42 million pounds of oil in this year of peak production (Potter and Crane 1957).
  • Does China still produce tung oil?
  • China still accounts for at least 70% of global tung oil production annually, but over time production has spread to various other countries (see Table 10.1).
  • Where is tung oil found?
  • They are widely distributed in 16 provinces within China and in many countries, which were also introduced to America, Argentina, Paraguay, and other countries for planting and tung oil production at the beginning of the 20th century .