Technical index:
Level appearance softening point (universal law)
/ ℃ p acid value
A / (mg/g) p unsaponification
B (%) more than ethanol insoluble,
/ (%) acuities ash
/ (%) acuities
special
transparent
Light yellow
Comply with the color of rosin chromaticity standard block demands
76.0
166.0
5.0
0.030
0.020

1
yellow

2
yellow
75.0
165.0
5.0
0.030
0.030

3
Deep yellow

4
Yellow brown
74.0
164.0
6.0
are