Packing Sealing Adhesive Tapes
>Sell Gum Rosin
Sell Gum Rosin
Date Posted :
2013/03/01
Offer Type :
Sell
Gum Rosin
Gum rosin is made of natural resin, its general formula is C20H30O2
Gum rosin is made of natural resin, its general formula is C20H30O2.
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.
Application: Gum rosin is an important raw material for the manufacture of adhesive, coating, inks, rubber, soaps, paper etc.
Packing: Gum rosin of our packing details:
In galvanized iron drum, 225kgs net each drum
In kraft paper bag without liner, 25kgs net each bag
In polypropylene woven bag, 25kgs net each bag
Parameter
Grade
Standard: GB/T8145-8146-2003
X
WW
WG
APPEARANCE
Transparent
Transparent
Transparent
COLOR
Light Yellow
Pale Yellow
Yellow
SOFTENING POINT(R&B)
76.0
76.0
75.0
ACID NUMBER(mg KOH / g)min
166.0
166.0
165.0
UNSAPONIFIABLE MATTER % max
5.0
5.0
5.0
ETHANOL INSOLUBLES % max
0.030
0.030
0.030
ASH CONTENT % max
0.020
0.020
0.030
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