Gum rosin

MOQ20 Metric Ton
yellowww and x grade
Supply TypeManufacturer, Exporter, Supplier
Preferred Buyer Location All over the world

Gum Rosin, also called colophony or Greek pitch, is a solid form of resin obtained from pines and some other plants, mostly conifers, produced by heating fresh liquid resin to vaporize....

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Lenta World Group Enterprise

Kudat

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Member Since 12 Years
Nature of Business Supplier
Year of Establishment 1992

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Gum Rosin, also called colophony or Greek pitch, is a solid form of resin obtained from pines and some other plants, mostly conifers, produced by heating fresh liquid resin to vaporize the volatile liquid terpenecomponents. It is semi-transparent and varies in color from yellow to black. At room temperature rosin is brittle, but it melts at stove-top temperatures. It chiefly consists of different resin acids, especially abietic acid.

Gum Rosin is distilled from natural resin raw material. Its chemical composition is C19H29COOH , the isomers of resin acid. It is widely used in paints, paper, soap, rubber, food, chemical and pharmaceutical industries with unique significant characteristic.

.Specifications

Grade	X	WW	WG	N	M	K
Appearance	Transparent Solid
Color	slightly yellow	pale yellow	yellow	deep yellow	yellow brown	yellow red
	Correspond to the Standard Glass Color Piece of Rosin
Softening Point (R&B),°C, min	76		75		74
Acid Value, (mgKOH/g), min	166		165		164
Alcohol insoluble Substance ,(%) , max	0.03		0.03		0.04
Unsaponifiable matter, (%) ,max	5		5		6
Ash, (%) ,max	0.02		0.03		0.04