Tung oil tung oil is the only drying oil that will polymerize 100% (completely harden). Linseed oil, for example, never completely hardens. Since tung oil has become popular as an environmentally friendly wood finish, some products labelled as "tung oil" are actually blends containing other oils, varnishes, solvents, or chemical driers, and may even containing no tung oil at all Products labeled "Danish oil" may be tung oil or they may be polymerized linseed oil. The product packaging will usually clearly state if it is pure tung oil. Heating tung oil to about in an oxygen-free environment will substantially increase the viscosity
Highland Park Manufacturing Plant and Cotton Oil Complex village. The mill operated until 1968. It was listed on the National Register of Historic Places in 1992. Highland Park Manufacturing Plant and Cotton Oil Complex Highland Park Manufacturing Plant and Cotton Oil Complex is a historic industrial complex and national historic district located at Rock Hill, South Carolina. It encompasses three contributing building and two contributing structures in Rock Hill. The complex includes the Highland Park Manufacturing Plant (1888–89, 1907), the Highland Park Cotton Oil Mill (1902), and the Highland Park Cotton Oil Mill Office (1902). They are the surviving buildings of a larger complex, including a gin and