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Wood Rosin

Wood Rosin Wood Rosin
IUPAC Name
HS Code
3806.10
Formula
Mixture C20H30O2
Appearance
Yellow Solid
Cas No.
8050-09-7
Common Names
FF Wood Rosin; Colophony; Gum Rosin
Packaging
- 25kg per pp woven bag. 25 MT / 20' FCL
- 80 @ 220 kg Iron Drums 17.6 MT / 20'FCL
Category
  • Pine
  • Paints and Coatings
  • Pulp and paper
  • Rubber Industry
  • Soaps and Detergents
Sub Category
  • Adhesives
  • Electronic
  • Emulsifiers
  • Paints and coatings
  • Paper
  • Softening

Brief Overview

Wood Rosin is an organic compound of a monoterpene, turpentine, and resin acid. Also known as colophony or rosin, it is a solid form of pine oleoresin from pine trees (mostly conifers). It is produced by heating fresh liquid resin in order to vaporize the volatile liquid terpene components. It is semi-transparent and varies in color from pale yellow to amber. Rosin is brittle at room temperature but melts at higher temperatures. It is insoluble in water and soluble in organic solvents. Wood Rosin also has a faint piny odor. It consists mostly of different resin acids, especially abietic acid.

 

Manufacturing Process

When pine trees are harvested, the resinous portions of fallen trees like longleaf and slash pines are collected and then undergo destructive distillation or solvent processes to produce wood rosin.

In solvent processes, the stumps and roots are chipped and soaked in the light end of the heavy naphtha fraction from a crude oil refinery. Multi-stage counter-current extraction is commonly used so fresh naphtha first contacts wood leached in intermediate stages and naphtha laden with rosin from intermediate stages contacts unleached wood before vacuum distillation to recover naphtha from the rosin, fatty acids, turpentine, and other constituents later separated through steam distillation. Leached wood is steamed for additional naphtha recovery prior to burning for energy recovery. After the solvent has been recovered, the terpene oils are separated by fractional distillation and recovered mainly as refined turpentine, dipentene, and pine oil. The nonvolatile residue from the extract is wood rosin of rather a dark color. Upgrading of the rosin is carried out by clarification methods that generally may include bed-filtering or furfural-treatment of rosin-solvent solution.

Adhesives & Sealants Industry

Rosin is widely used as an ingredient of some kind of adhesive, especially in heat melt adhesive, pressure-sensitive adhesive, and rubber adhesive. Rosin mainly is used to enhancing the strength, plasticity, and viscosity of adhesive.

  

Electrical Equipment Industry

Rosin is used as an insulation material in the electric equipment industry. In China, there is a long history of applying rosin as an insulation material in the cable industry. Rosin can also be mixed with bakelite and other artificial resin to soak and besmear electric loop.

 

Metal Processing Industry

Rosin is used as a soldering aid and metal polishing agent. Since it has a weak acidity, it is able to remove the oxidation film from the metal surface which slightly erodes the surface of the metal.

 

Paints & Coating Industry

Rosin is a basic material for the paint industry because it dissolves easily in alcohol, gasoline, turpentine, and other organic solvents. Rosin is converted to resinate, refined with drying oil (e.g. tung oil), and then mixed with volatility solvent to produce various lacquers. Rosin also takes an important role in producing road coating. It is first converted to rosin malefic ester, polymerized rosin or disproportionated rosin polyols ester, which is then used to make thermoplastic coating for road sign injunction.

 

Paper Industry

Most rosins are applied to the paper industry as a sizing agent. Rosin paper sizing agent can prevent printing oil soaking and dispersing from paper, which improves the strength and smoothness of paper and also enhances the anti-abrasion of paper. However, crystal rosin is unfit as a paper sizing agent due to its difficulty of saponification which would subsequently spot the paper or even jam the pipe in paper sizing agent production.

 

Soap Industry

Rosin can replace a part of grease to produce soap because it has a similar character to fatty acid and is cheaper than fatty acid.

 

Synthetic Rubber Industry

Rosin is used as a softener, dispersant, and emulsification in the synthetic rubber industry. It enhances the plasticity, tears strength, heat resistance, flexibility, and anti-abrasion of synthetic rubber.

 

Other Applications

In the bactericide industry, rosin can be converted into abietylamine acetate for killing algae, bacteria, mildew, mollusk, and others pest. In the construction materials industry, rosin is mainly used as a concrete frothing agent and floor tiling adhesive. In the food industry, rosin can be converted into hydrogenated rosin which is then used to produce chewing gum. In the printing ink industry, rosin can act as a color carrier and enhance color adhesive ability in printing ink. Polymerized rosin can also be used to producing various special printing ink.

Wood Rosin Suppliers - Tradeasia International

Tradeasia International is fulfilling the needs of many international and national companies by offering premium quality compounds, which are prepared by professionals. We are a Top Wood Rosin Supplier and the best pine chemical supplier in Singapore, India, Indonesia, Mauritius & Vietnam that serve the purpose of many of our clients, at budget-friendly rates. Paired up with our comprehensive supply capability, We are one of the best Wood Rosin Suppliers based in Singapore with growing markets in Asia, Africa, the Middle East, Central America, and South America. Tradeasia International tends to make sure that the desired product is delivered within the given time frame without compromising on the quality at all. We offer negotiable prices for wood rosin with the best quality according to customer requirements.


What Makes Us Best Wood Rosin Suppliers

Driven by the idea of providing top-quality pine chemicals products for our customers, we at Tradeasia International aim to organize and offer top-notch Wood Rosin that is widely used in several industries for different purposes. Some of wood rosin uses are:

  • In the rubber industry, wood rosin is used as a softener, dispersant, and emulsification in synthetic rubber.
  • In the metal industry, it is used as a metal polishing agent.

Find other Wood Rosin applications at the Application tab.

 

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