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Food-grade rosin resin is composed of premium-grade rosin, polymerized rosin, hydrogenated rosin, and vegetable-derived glycerol. It is a pale yellow, transparent, glassy solid obtained through refining, esterification, and a special process to remove odors. This resin exhibits stable performance, low odor, and low acidity, making it a thermoplastic resin suitable for food applications.
Grade |
Color |
Softening point (°C) |
Acid value (mg KOH/kg) |
Total Arenic (mg/kg) |
Heavy Metals (Pb, mg/kg) |
Ash (g/100g) |
Solubility in Benzene |
Properties |
Ester Gum 7D |
≦8 |
80-90 |
≦9 |
≦1.0 |
≦10 |
≦0.1 |
Clear |
Performance-stable, low-odor low-acid value thermoplastic resin. Primary Applications: Base material for chewing gum and bubble gum. Used in depilatory wax, food-grade adhesives, and more. |
Ester Gum 10D |
≦8 |
78-90 |
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Ester Gum 8D |
≦WG |
83-93 |
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Ester Gum 5C |
≦N |
104-114 |