... the Standard Glass Color Piece of RosinLovibondyellowmax481012red0.711.31.7Acid Value,mgKOH/g , min 166Softening Point (R&B) ,°C ,min 76Alcohol ... ,% , max 0.02Unsaponifiable matter,% , max 7Abietic acid,% , max 2 max 2Dehydroabietic acid,%, max 82. Properties and uses:mainly used as raw material for ...