Specification of Machinemade Button Shellac
| Acid Value | 65-76 |
| Ester Value | 110-175 |
| Saponification Value | 175-240 |
| Wax Content | 5.50% max. |
| Moisture | 2% max. |
| Rosin Content | Nil |
| Orpiment | Nil |
| Arsenic | 1.5 PPM max. |
| Heavy Metals as Pb | 10 PPM max. |
| Insolubility in Hot Alcohol | 0.75%-1.00% |
| Flake Structure | Thin |





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