... materials, advanced leatheroid etc..Quality Index:ItemValuePremium gradeFirst gradeSalable productAppearancetransparent oily liquid, no suspended substanceEster ,%≥99.599.099.0Density 20,g ... /cm30.9680.974Acidity as phthalic acid %≤0.0150.0250.025Flash point , ≥229226Moisture, % ≤ 0.10.1 0.1Chroma ... resistivity, ×109.m≥1.5------1.5 Sell 810 Ester High Quality