Name: C9 petroleum resin, also known as aromatic petroleum resins
English name: C9 petroleum resin
Mean molecular weight: 2000~5000
Appearance: light yellow to light brown flakes, granules or lump of solid, transparent and shiny
Relative density: 0.97~1.04.
Softening point: 80~140℃.
Glass transition temperature: 81 c.
Refractive index: 1.512.
Flash point: 260 ℃.
Acid value: 0.1~1.0.
Iodine value: 30~120.
Solubility: soluble in acetone, methyl ethyl ketone, cyclohexane, ethylene dichloride, ethyl acetate, toluene, gasoline, etc. Insoluble in ethanol and water.