Name of specifications:

X grade

WW grade

WG grade

N grade

M grade

K grade

Appearance:

Transparent Solid

Color:

Slight Yellow

Light Yellow

Yellow

Dark Yellow

Yellow-brown

Yellow-red

Conform to Chinese Glass Colorimeter Standard Cubes for Rosin Grading

Softening Point(R & B)Min.

*6°C

*5°C

*4°C

Acid Value Min.

**6

**5

**4

Non-saponification Content Max.

5%

5%

6%

Imputity content Max.

0.*3%

0.*3%

0.*4%

Ash content Max.

0.*2%

0.*3%

0.*4%