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Shenyang Weiba Chemical Company

China Manufacturer with main products: Pigments, Dyes, Organic Chemical, Inorganic Chemical

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Gum rosin

Payment Terms: T/T(Bank Transfer)

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Packaging Details: In galvanized iron drum, 225kgs net each drum In kraft paper bag without liner, 25kgs net each bag I

Specifications

CAS No.: 8050-09-7
EINECS No.: 232-475-7
MF: C20H30O2
 

Parameter
Grade
Standard: GB/T8145-8146-2003
X
WW
WG
APPEARANCE
Transparent
Transparent
Transparent
COLOR
Light Yellow
Pale Yellow
Yellow
SOFTENING POINT(R&B)°C
76.0
76.0
75.0
ACID NUMBER(mg KOH / g)≥
166.0
166.0
165.0
UNSAPONIFIABLE MATTER % ≤
5.0
5.0
5.0
ETHANOL INSOLUBLES % ≤
0.030
0.030
0.030
ASH CONTENT % ≤
0.020
0.020
0.030

 
Gum rosin also called colophony, is a solid form of resin obtained from pines and some other plants, 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.
 
Gum rosin is an important raw material for the manufacture of adhesive, coating, inks, rubber, soaps, paper etc.

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