China pine tree gum rosin

Guangxi pine tree gum rosin, pine oil and modified phenolic resin for export

We are a Wuzhou Guangxi direct direct reliable exporter of pine trees products:

Pine tree gum rosin (colophony)

Gum rosin is also called colophony, i.e. the ''ordinary'' rosin, which is made from the natural pine resin using sophisticated rectification technique.

Gum rosin is a fused mixture of several kinds of resin acid, easy to dissolve in many kinds of organic solvent, and has peculiar chemical activity.

Packing
In galvanized iron drums of 225 kg net each (233 kg gross weight). The product should be stored in a cool and dark place, avoided high temperature, away from the fire.

Season: June to November
Usual FOB delivery time after payment: 20 days

Colophony specification

Target name	X Grade	WW Grade	WG Grade
Exterior	Transparent body
Color	Slight Yellow	Light Yellow	Yellow
Softening Point (ring and ball)℃≥	76	76	75
Acid Value (mgKOH/g) ≥	166	166	165
Contents of unsaponifiable, %≤	5	5	5
Insoluble matter in alcohol, %≤	0.03	0.03	0.03
Ash Content, %≤	0.02	0.02	0.03

Pine oil

Packing
In Galvanized iron of 180 or 185 kg net each.
Loading capacity: 80 drums / 20'FCL

Specification

Name of Specification

50%

65%

70%

85%

Appearance

Slight-yellowish or brown-yellowish oil-shape liquid

Color (std)≤

6

6

6

6

Content of water %≤

0.7

0.7

0.7

0.7

Acid value %≥

50

65

70

85

Gravity(D²⁰₄)

0.866Min.

0.90-0.92

0.90-0.92

0.92-0.94

Distillation range

168-230℃Min.95%

170-225℃Min.90%

170-225℃Min.95%

190-225℃Min.90%

PH Value

5-7

5-7

5-7

5-7

Impurity Max.

0.5%

0.5%

0.3%

0.3%

Packing (N.W kg/drum )

180

180

180

185

Rosin modified phenolic resin

With the advantage of good ductility and elongation, is made from the condensation reaction taken place between high quality Gum Rosin and Para-Tert-butyphenl, paraformaldehyde, the esterified with Glycerol.

#367 Resin

Appearance: Transparent Yellow/Brown Lumpy/Flake
Color (Gardner):8-10
Acid value: 20 Max
Softening Point (ring and ball):150-160
Viscosity (Din-4 Cup at 30): 25-35 seconds

#368 Resin

With is in very good hardness with brittleness, is made from the condensation reaction taken place between high quality Gum rosin and Bisphenol A and formaldehyde, the esterified with pentaerythritol.

Appearance: transparent Yellow Flake
Softening Point (ring and ball)℃:150-160
Color (Gardner):8-10
Acid value: 20Max
Viscosity (50% solution in Toluene): 25-35 Seconds in Ford Cup B-4 at 30 degrees

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