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Gum Rosin

We at Giriraj Agencies are engaged in sourcing, supply and distribution of high quality Gum Rosin.  Gum Rosin is nothing but the oleoresin (pine gum) of the living pine tree. The harvesting of the oleoresin is simple, involving only periodic wounding of the tree and collecting of the exudate into cups.

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Approx. Rs 95  / Kilogram Get Latest Price

Rosin is brittle and friable, with a faint piny odor. It is typically a glassy solid, though some rosins will form crystals, especially when brought into solution. The practical melting point varies with different specimens, some being semi-fluid at the temperature of boiling water, others melting at 100 °C to 120 °C. It is very flammable, burning with a smoky flame, so care should be taken when melting it. It is soluble in alcohol, ether, benzene and chloroform. Rosin consists mainly of abietic acid, and combines with caustic alkalis to form salts (rosinates or pinates) that are known as rosin soaps. In addition to its extensive use in soap making, rosin is largely employed in making varnishes (including fine violin varnishes), sealing wax and various adhesives. It is also used for preparing shoemakers' wax, for pitching lager beer casks, and numerous minor purposes.

-Synthetic rubber industry- Rosin is used as softener in synthetic rubber industry; it enhances the plasticity, tear strength, heat resistance, flexibility and anti-abrasion of synthetic rubber; also rosin can be use as dispersant and emulsification in synthetic rubber industry. After seventies of twenty century, about 20% of total annual output of rosin was used synthetic rubber industry.

-Adhesive industry-Rosin was 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 enhance the strength, plasticity and viscosity of adhesive.

-Papermaking industry-Most rosin was applied to papermaking industry as sizing agent. Rosin paper sizing agent can prevent printing oil soaking and dispersing from paper, improves the strength and smoothness of paper; enhances the anti-abrasion of paper. But crystal rosin is unfit for making paper sizing agent due to difficulty of saponification, subsequently makes spot on the paper; sometimes even makes the pipe jam in paper sizing agent producing.

-Paint and coating industry-Rosin is a basic material for paint industry because rosin is easy to dissolve in alcohol, gasoline, turpentine and others organic solvent. Rosin always is converted to resinate, and then refine with drying oil such as tung oil and mix with volatility solvent to produce various lacquers. Rosin also take important role in producing road coating, rosin firstly converted to rosin malefic ester or polymerized rosin or disproportionated rosin Polyols ester, and then used to make thermoplastic coating for road sign inunction.

-Printing ink industry-Rosin mainly act as color carrier and enhance color adhesive ability in printing ink. It takes about 7% of quality of printing oil in China. 

-Soap industry-Rosin always replaces a part of grease to produce soap because rosin has similar character with fatty acid and cheaper than fatty acid; but the consumption decline gradually in recent year.

-Foodstuff industry-Rosin firstly converted into hydrogenated rosin, and then used to produce chewing gum.

-Electrical Equipment industry-Rosin is used as insulation material in electric equipment industry; China has long history of applying rosin as insulation material in cable industry. Rosin also can mix with bakelite and others artificial resin to soak and besmear electric loop.

-Construction material industry-Rosin mainly is used as concrete frothing agent and floor tiling adhesive.

-Metal processing industry-Rosin mainly is used as solding aid and metal polishing agent. Rosin is a kind of weak acidity matter, it can remove oxidation film from metal surface and slightly erode the surface of metal, and therefore, lots of solding aid agents contain rosin.

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Ankit Shah
Giriraj Agencies
1/2/3, Vaishnavi Dham, P. K. Road, Opposite Zenith Towers
Mulund West, Mumbai - 400080
Maharashtra, India
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