Composition: reactant of pentaerythritol and oil acid Appearance(25°C): primrose yellow transparent liquid Flash point(°C): ≥310 Acid value (mg KOH /g): 1.0max Saponification(mg KOH /g): 180-190 Iodine value(g I2/100g): 75-95 Performance and application: it has excellent high temperature stability, low volatility, viscosity temperature and low temperature, being used as basic oil of metal-processing oil and fluid transmission oil etc. Packing: 180 Kg iron drums or plastic barrels Storage and transportation: storage and transportation of the general chemicals, store in a cool, dry and airing area for one year.