Gum Turpentine is main component is pinene,with special chemical activity,it is a good solvent GUM TURPENTINE Grade high-class AppearanceTransparent,anhydrous,no impurity and suspended substance Color Correspond to the standard of GB/T 12902 3.2Relative Desity Max 0.88 Refractive index 1.4670~1.4780Initial boiling point, Min 150Acide Value,mgKOH/g Max 0.5