Russia, Nizhny Novgorod region,
Dzerzhinsk, Gastello str., 18 " A"

Gum rosin WW Grade – China

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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

Softening point, оС, minimum

76

75

74

Acid number, mg КОН per 1 g of product, minimum

166

165

164

Content of unsaponifiables, wt.%, maximum

5

5

6

Ash content, wt.%, maximum

0.02

0.03

0.04

Form

Solid

Solubility

Slight in water. Gum rosin dissolves in most aliphatic and aromatic solvents, in halogenated hydrocarbons, ethers and ketones.

Smell

Faint odour

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.

 


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