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Neostat LTD supplies Chinese gum rosin, WW grade.
Gum rosin is an amorphous, glassy, brittle substance. The color scheme is usually from light yellow to dark red. Gum rosin is a processing product of pine pitch and is a blend of resin acids of total formula C20 H30O2.
Scope of application:
- paint and varnish industry;
- pulp-and-paper industry;
- production of synthetic rubber;
- production of tire and rubber products;
- production of plastics, artificial leather, linoleum and soaps.
Physical and chemical properties:
| Properties |
X |
WW |
WG |
N |
M |
K |
|
| Color intensity |
Slightly yellow |
Pale yellow |
Yellow |
Deep yellow |
Yellow brown |
Yello red |
|
| Appearance |
Transparent |
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| Softening point, оС, minimum |
76 |
75 |
74 |
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| Acid number, mg КОН per 1 g of product, minimum |
166 |
165 |
164 |
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| Content of unsaponifiables, wt.%, maximum |
5 |
5 |
6 |
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| Ash content, wt.%, maximum |
0.02 |
0.03 |
0.04 |
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| Form |
Solid |
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| Solubility |
Slight in water. Gum rosin dissolves in most aliphatic and aromatic solvents, in halogenated hydrocarbons, ethers and ketones. |
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| Smell |
Faint odour |
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Packing:
Tinned drums (225 kg)
Transportation:
Road and railway transport
Guaranteed storage period:
2 years from the manufacturing date
Storage conditions:
Store in covered warehouses or in an open area under a shed; away from heat and open flame.
