Category | Product Type | Appearance | Color, Gardner grade | Softening point (R&B), ℃ | Acid Value(mgKOH/g) | Alcohol insoluble substance (%) | Unsaponifiable matter (%) | Ash (%) |
Gum Rosin / Refined Gum Rosin | Grade X | Transparent solid | Slightly yellow | ≥76 | ≥166 | ≤0.03 | ≤5 | ≤0.02 |
Grade WW | Transparent solid | Pale yellow | ≥76 | ≥166 | ≤0.03 | ≤5 | ≤0.02 | |
Grade WG | Transparent solid | Yellow | ≥75 | ≥165 | ≤0.03 | ≤5 | ≤0.03 | |
Grade N | Transparent solid | Deep yellow | ≥75 | ≥165 | ≤0.03 | ≤5 | ≤0.03 | |
Grade M | Transparent solid | Yellow brown | ≥74 | ≥164 | ≤0.04 | ≤6 | ≤0.04 | |
Grade K | Transparent solid | Yellow red | ≥74 | ≥164 | ≤0.04 | ≤6 | ≤0.04 | |
Refined Gum Rosin LGR-2 | Transparent solid | Gardner grade 2max | ≥76 | ≥165 | ≤0.03 | ≤5 | ≤0.008 | |
Refined Gum Rosin LGR-3 | Transparent solid | Gardner grade 3max | ≥76 | ≥165 | ≤0.03 | ≤5 |
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