Natural Gum Rosin WW Grade Colophony Pine Rosin

Gum rosin WW Grade is the transparent light yellow or transparent yellow solid. It is made from pine trees.

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.

Item NO.:
Gum Rosin WW Grade
EINECS No.:
232-475-7
CAS No.:
8050-09-7
Color Gardener:
Light Yellow
Property:
Chinese Gum Rosin product is used for the manufacturing of paper, paint, soap and printing ink. Since rosin is easily softened and oxidized, in the oil paint industry, the carboxylation reaction of resin acid is usually employed to produce resinate for further use. While in the producing of synthetic rubber and printing ink, resin acid is changed into disproportionate rosin, polymerized rosin, hydrogenated rosin, etc for further use by its double bond reaction.

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Product Detail
Packaging and Transportation

Natural Gum Rosin WW Grade Colophony Pine Rosin

Product Name

Colophony, Pine rosin, Pinus Masoniana Rosin, Pinus Elliottii

Type

WW Grade

Chemical Properties

Gum rosin is a transparent light yellow or transparent yellow solid. It is made from pine trees.

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.

Gum rosin also called colophony or Greek pitch, is a solid form of resin obtained from pines and some other plants, mostly from conifers. It is 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.

Specifications

Test Items	1^stGrade WW
Appearance & Color	Transparent light yellow
Softening Point (R&B) ℃	≥76
Acid value. (Mg KOH/g)	≥165
Un sop. matter（%）	≤8.0
Alcohol Insol. Substance (%)	≤0.03
Ash (%)	≤0.02

Application

Colophony used as a binder component of adhesive, includes rubber-based adhesive, synthetic resin based adhesive and plant base adhesives.
Pine rosin is used for paper sizing, improving the strength and smoothness, increasing wear resistance.
Grade WW Rosin used for thermoplastic coating, such as road marking.
Used as vehicle body and enhancing the adhesion in ink industry.
Comestic and depilatory.

Natural Gum Rosin WW Grade Colophony Pine Rosin

1.Packing: 225kg/ galvanized iron drums or 25kg/bag

2. Storage: Kept in a low temperature, dry and ventilated place, avoid direct sunlight.

3. Shelf life: One year in ventilating, cool and dry area.

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