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.
What is first pressed tung oil?
A quality first pressed tung oil is a pale gold brown in colour and has a viscosity somewhat greater than a heavy olive oil. It is a component of many products marketed as Tung Oil but which contain as little as 10% tung oil, are usually extended with other cheaper oils and also may contain added toxic dryers and anti-fungals and solvents.
What is Camco oil press machine used for?
Oil Press Machine – CAMCO Machinery & Equipment LTD. This oil press machine for cold-press with raw materials, and the materials can be directly into the press effectively. Widely used for canola, soybean, peanut, sunflower seed, cottonseed, tung seed and other oil crops. Oil cake residue can be used as fertilizer, feed and so on.
Where did Tung oil come from?
The tung oil tree originates in southern China and was cultivated there for tung oil, but the date of cultivation remains unknown. The earliest references for Chinese use of tung oil are in the writings of Confucius (551 – 479 BCE) around 500 to 479 BC.