|
Disproportionated Rosin
Technical standard: According to Q/ZXH001-1998
| Item |
Special grade
|
Grade one
|
|
Color: Not deeper than rosin
|
Grade one
|
Grade three
|
|
Abietic acid(%),m/m ≤
|
0.1
|
0.5
|
|
Dehydrogenating abietic acid(%),m/m ≥
|
52.0
|
45.0
|
|
Softening point ≥
|
75.0
|
75.0
|
|
Acid value(mg KOH/g), ≥
|
155.0
|
150.0
|
|
m/m ≤
|
10.0
|
12.0
|
|
|
back
top