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colophony rosin
colophony rosin
Supplier Info
[China Supplier]
Contact Person : Mr. lu Jones
Tel : 0086-0752-6226629
Fax : 0086-0752-6226880
Product Detail
Gum Rosin/Colophony/Natural Rosin/China Gum Rosin/Resin

gum rosin has been general used for ink, adhesive, paint, food and rubber industry

Name of Index

X

WW

WG

N

M

K

Color

Slight yellow

Light yellow

yellow Deep

yellow

Yellow brown

yellow red

Appearance

Transparent

Softening Point

(R. & B.)

76°Cmin

75°C min

74°C min

Acid Value mg KOH/g

166 min

 

165 min

 

164 min

Unsaponifiable Matter

5%max

 

5%max

 

5%max

Insoluble Matter in Alcohol

0.03%max

 

0.03%max

 

0.04%max

Ash

0.02%max

0.03%max

0.04%max

At present, most rosin product is used for the manufacturing of paper, paint, soap and printing ink. Since rosin is easily softened and oxidized, in the oil paint industry, the carboxylation reaction of resin acid is usually employed to produce resinate for further use. While in the producing of synthetic rubber and printing ink, resin acid is changed into disproportionate rosin, polymerized rosin, hydrogenated rosin, etc for further use by its double bond reaction.

colophony rosin

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