Gum Rosin X, WW, WG, N, M, K Appearance: Light Yellow Crystal High quality, competitive price usage: ... paper, coating, furnit Gum Rosin X, WW, WG, N, M, KSpecifications : GUM ROSIN WW gradeTypical Chemical & Physical Data WW GRADE ... to the standard glass color piece of rosin. Softening Point (C) 76Acid Number (mg.KOH\g) 166Ash Content Percent by mass ... and 100 drumsAn Gum Rosin X, WW, WG, N, M, K