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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