We offer Dewaxed Decolorized Shellac is made by dissolving Seedlac in refrigerated alcohol and then removing the wax and impurities by filtration with a filter press. To remove the color as per requirement and recover the alcohol, activated carbon is used. Then the Dewaxed Decolorized Shellac is obtained by rolling the molten form on a roller.
Physical Data for Dewaxed and Decolorised Shellac
Grade | Garnet | Orange | Blonde | Super Blonde | Platina |
Colour (max) Gardner in 20% Ethanol | Dark | 17 | 11 | 8 | 6 |
Common for all Grades Dewaxed Decolorised Shellac
Acid No | (Dab9) | - | 65-80 |
Arsenic | (Dab9) | max.ppm | 1.5 |
Ash | (Dab9) | max.% | 0.2 |
Insolubility in hot alcohol | (Dab9) | max.% | 0.1 |
Melting range | (Dab9) | 0C | 65-80 |
Moisture | (Dab9) | max.% | 2.0 |
Saponification No. | (Dab9) | - | 190-230 |
Wax | (USP XXIII) | max.% | 0.2 |