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| Grade : Light Pure Buttonlac |
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Essential Requirements |
Matter insoluble in hot alcohal |
Basic Limit - 1.0% |
| Relaxed Limit - 1.5% | ||
| Color Index | 12 Max. | Rosin and Orpiment | Free from Rosin and Orpiment |
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Optional Requirements |
Volatile Matter | Not more than 2% |
| Ash | 0.5% | |
| Wax | Not more than 5.5% | |
| Matter Soluble In Water | 0.5% Max. | |
| Flow | As agreed between buyer & seller | |
| Heat Polymerisation | As agreed between buyer & seller usually at temperature of 150 degree cel. | |
| Acid Value | As agreed between buyer & seller | |
| Lead Content | As agreed between buyer & seller | |
| Iodine Value | As agreed between buyer & seller |