ShellacShellac is a natural polymer excellent adhesion used as a brush-on colorant, food glaze and wood finish.

Moisture/%                                           ≤	2.0
Hot Alcohol Insoluble/%                      ≤	1.0
Colour Index/No.                                 ≤	18
Heat hardening (170±0.5)°C/min       ≥	3.0
Softening point /°C                              ≥	72
Acid/(mg/g)                                            ≤	73
Rosin	None
Water Soluble/%                                  ≤	0.5
Ash/%                                                   ≤	0.4
Wax/%                                                  ≤	5.5
Iodine No/(g/100g)                                 ≤	20

natural Shellac Flake