Ester Gum
Category: Gum Rosin
Physical and Chemical Properties
| Properties | Typical |
|---|---|
| Appearance | Bright Pale Color Glossy Fragmented Lumps |
| Clarity | Clear & free of foreign particles and contamination |
| Color | WW/WG grades |
| Odor | Almost no Odor |
| Physical State | Solid |
| Softening Point | 80-88°C |
| Acid Value | Below 5 |
| Solubility | Soluble in aromatic, aliphatic hydrocarbons, ketones etc |
| Density | 1.08 +/-0.01 |
| Arsenic | 1 ppm max |
| Heavy Metals | 10 ppm max |
| Lead | 1 ppm max |
| Boiling Point (°C) | 180°C |
| Melting Point (°C, Interval) | 80° to 91°C |
| Viscosity | 0.8 to 1 poise (60% in spirit) |
| Molecular Formula | C63H9206 |
| Molecular weight | 944 g/mol |