Wei Connaught Chemical, professional supply tung oil, tung oil plant, tung oil provided by Wei Connaught Chemical. We are Qingdao Wei Connaught Chemical Co. (www.qdweinuo.com) at: Qingdao, Shandong specialized in: phenol, aniline, ethylene, n-butanol, isobutanol, n-propanol, isopropanol, methanol Appearance: clarification , transparent liquid Odor: tung unique taste transparency (24h / 20 ℃): Allow a small amount of precipitation proportion (20/4 ℃): 0.9360--0.9395 refractive index (20 ℃): 1.5170--1.5220 Iodine: 163-- 173 Saponification value: 190--195 drying time: about 3 to 7 days in the summer, winter, about 3 to 20 days. Color: Red <5 acid value (mgKOH / g): <7 moisture and volatile matter: <0.20% impurities: <0.20% tung oil tree ── ??specialty is Chinese tung seeds to extract oil. Euphorbiaceae tung tung genus, native to that recorded in China, long history of cultivation tung oil exports, a thousand years ago in the Tang Dynasty. Yuan introduced by the Italian Marco Polo processed tung oil, tung oil gradually remote overseas. Seeds of high oil content tung tung oil tree, reaching more than 40%, after processing for the production of bio-diesel. In India tung oil plant, tung oil tree was chosen as one of the main raw material for biodiesel production. Jatropha can grow between 30 degrees north and south latitude, in many African countries are planting a large number (such as Mali). It can be grown on wasteland, not with food crops cultivated land grab.