|
Item
|
Index Name
|
||||
|
Special Grade
|
First Grade
|
Second Grade
|
|||
|
Appearance
|
Transparent
|
||||
|
Color
|
than the color of glass
|
Meet the requirement of the standard of glass Rosin
color grade |
|||
|
No deeper than Luo Wei Bang
|
Yellow
|
12
|
20
|
30
|
|
|
Red
|
1.1
|
2.1
|
2.5
|
||
|
Acid Value(mgKOH/g)≤
|
162.0
|
160.0
|
158.0
|
||
|
Softening Point(global law)℃≥
|
72.0
|
71.0
|
70.0
|
||
|
Alcohol insoluble Substance％≤
|
0.020
|
0.030
|
0.040
|
||
|
Unsaponifiable matter％≤
|
7.0
|
8.0
|
9.0
|
||
|
Abietic Acid％≤
|
2.00
|
2.50
|
3.00
|
||
|
Dehydroabietic acid％≤
|
10.0
|
10.0
|
15.0
|
||
|
Oxygen uptake％≤
|
0.20
|
0.20
|
0.30
|
||