| ≥1 piece |
Description: Gum rosin is the transparent light yellow or transparent yellow solid. It 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.
Specifications
Specifications | Pinus Masoniana Rosin | ||
Super Grade X | 1ST Grade WW | 2ND Grade WG | |
Appearance&Color | Transparent light yellow | Transparent yellow | |
Softening Point (R&B)oC | ≥76 | ≥76 | ≥76 |
Acid value.(mg KOH/g) | ≥166 | ≥166 | ≥165 |
Unsop.matter(%) | ≤5.0 | ≤5.0 | ≤5.0 |
Alcohol Insol.Sustance(%) | ≤0.03 | ≤0.03 | ≤0.03 |
Ash(%) | ≤0.02 | ≤0.02 | ≤0.02 |
Specifications | Pinus Elliottii Rosin | ||
Super Grade X | 1ST Grade WW | 2ND Grade WG | |
Appearance&Color | Transparent light yellow | Transparent yellow | |
Softening Point (R&B)oC | ≥76 | ≥76 | ≥76 |
Acid value.(mg KOH/g) | ≥165 | ≥165 | ≥164 |
Unsop.matter(%) | ≤8.0 | ≤8.0 | ≤8.0 |
Alcohol Insol.Sustance(%) | ≤0.03 | ≤0.03 | ≤0.03 |
Ash(%) | ≤0.02 | ≤0.02 | ≤0.02 |