Hereafter, I send you the most essential information regarding Gum rosin product: 1- Color: Light yellow2- Softening point: 75 oC3- Acid value: 166 min4- Unsaponifiable materials: 5% max5- Alcohol insoluble 0.03% max6- Ash content: 0.02% max 占쏙옙��cking: N.w 230 kgs per in new iron ...