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Gum Rosin is a kind of natural resin,mainly composed of various kinds of resin acids, it can be dissolved easily in many organic solvents,and has special chemical activity. So it is an important raw material for the production of paper, coating, inks,rubber,soaps,electronic industrial products,food grade ester gum,rosin ester resins etc.
Items | X | WW | WG | N | M | K |
Appearance | Transparent Solid | |||||
Color | Slightyly | pale | yellow | deep | yellow | yellow |
Correspond to the Standard Glass Color Piece of Rosin | ||||||
Softening Point(R&B),℃,min | 76 | 75 | 74 | |||
Acid Value(mgKOH/g),min | 166 | 165 | 164 | |||
Alcohol insoluble Substance,(%) mas | 0.03 | 0.03 | 0.04 | |||
Unsaponifiable matter,(%),max | 5 | 5 | 6 | |||
Ash,(%),max | 0.02 | 0.03 | 0.04 |
Drum: Galvanized iron drum, 225kgs net each drum. Bag: kraft paper bag or plastic intertexture bag, 25kgs net each bag.
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