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Gum Rosin

Gum Rosin

1.Specifications

Grade

X

WW

WG

N

M

K

Appearance

Transparent Solid

Color

slightly Yellow

pale Yellow

yellow

deep Yellow

yellow Brown

yellow Red

 

Correspond To The Standard Glass Color Piece Of Rosin

Softening Point (R&B),°C, Min

76

75

74

Acid Value,
(mgKOH/g), Min

166

165

164

Alcohol Insoluble
Substance ,(%) , Max

0.03

0.03

0.04

Unsaponifiable
Matter, (%) ,max

5

5

6

Ash, (%) ,max

0.02

0.03

0.04

 

 

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