Gum Rosin X, WW, WG, N, M, K Appearance: Light Yellow Crystal High quality, competitive price usage: paper, ... Percent by mass Max. 0.02Alcohol insoluble materil (%) Max 0.03 Unsaponifiable Matter (%) Max 5 Packing : The Gum Rosin to be ... and 100 drumsAn Gum Rosin X, WW, WG, N, M, K