1. esterified from refined rosin and edible glycerol 2.applicable to chewing gum, bubble gum and cigarette adhesive Ester Gum Typical PropertiesSpecificationsAcid Value (mg KOH/g)3-9Softening Point (Ring & Ball), ºC80-90Color, Gardner, Max.8Solubility (1:1, benzene)ClearSpecific Gravity, 25 ºC1.08-1.09Arsenic Content, %, Max.0.0002Lead Content, %, Max.0.002Ash Content, %, Max.0.1Heavy Metal ...