Specification:
1. Appearance: Pale yellow Solid transparent nature resin
2. Standard: GB/T 8145/8146-2003
3. Packing: Drum / complex bag
4. Usage: Adhesives, Rubber Compounds, Ink, Painting
5. Storage: Store in ventilated and dry warehouse at low temperature, separated from antioxidant.
1) China original gum rosin
2) Natural organic compound, mainly composed of resins
3) Possesses chemical activity when dissolved in many organic solvents
4) Used for the manufacturing of paper, paint, soap and printing ink
5) Easily softened and oxidized
6) In the oil paint industry, the carboxylation reaction of resin acid is usually employed to produce resinate for further use
7) In the producing of synthetic rubber and printing ink, resin acid is changed into disproportionate rosin, polymerized rosin, hydrogenated rosin, for further use by its double bond reaction
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 |
2. Properties and uses:
It is a kind of natural resin, mainly composed of various kinds of resin acids, it can be dissolved easily in many organic solvents, and has special chemical activity. So it is an important raw material for the production of paper, coatings, inks, rubber, soaps, electronic industrial products, food grade ester gum, rosin ester resins etc.
3. Packing:
(1) Drum: Galvanized iron drum, 225kg net each drum.
(2) Bag: Intertexture or kraft paper bag, 25kg net each bag.
4. Technical specification:
The above technical specification (GB 8145-87) is the national standard of People's Republic of China. If there are changes, the latest specification will be executed and assured by contract. |
|
Xuzhou First Chemical Co., Ltd. is located in Xuzhou City, Jiangsu Province, with convenient transportation.
We are one of the medium-sized enterprises in the field. We have advanced production equipment, perfect testing methods and quality assurance systems. We are one of the enterprises who own chemical research, product development and operation.
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