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Gum Rosin WW Grade

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Sarnrax-Trading Company Ltd จุดขาย
[Thailand]

Address
245 MU 5,Bang Lamung, Bang Lamung Chon Buri
Phone
66-921-7879102
Contact name
Dang Sonthi

Quick Information

  • Place of Origin: Thailand
  • :

Description

Gum Rosin, also called colophony or Greek pitch (Pix græca), is a solid form of resin obtained from pines and some otherplants, mostly conifers, produced by heating fresh liquid resin to vaporize the volatile liquid terpene components. It is semi-transparent and varies in color from yellow to black. At room temperature rosin is brittle, but it melts at stove-top temperatures. It chiefly consists of different resin acids, especially abietic acid.

There are main 3 kinds of gum rosin in China market: Pinus massoniana, Pinus kesiya, Pinus elliottii. Pinus Massoniana is best and has most widely used applications, second is kesiya,pinus elliottii is third.Our main product is Pinus massoniana gum rosin,

Natural organic compound,manly composed of resins.

 

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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