Gum Rosin Ww Grade

Product Specifications

Prod Model:	WW X GRADE
Markets:	South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Gum Rosin:	Ww Grade
Usage:	Instrument
Packing:	Bag
Grade:	First Grade
Color:	Light Yellow
Type:	Resin Rosin
Processing Method:	Steam Method

Product Description

Specifications
Gum rosin
100% natural resin
Two plantations of ourselves
20000 tons annual prodcution capacity
20 years experience
Gum rosin

Description:
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.

SPECIFICATION	STANDARD SNI 01-5009.12-2001
Softening Point (Ring and Ball)	≥78°C
Colour (Lovibond Comparator)	WW
Impurity/Solubility in Toulen (Gooch Filter G-3)	≤0.05%
Acid Value (Titrimetri)	160-190
Saponification Value (Titrimetri)	170-220
Iodine Value (Titrimetri)	5-25
Ash Content (Furnace Heraeus)	≤0.04%
Volatile Oil Content (Oven Memmert)	≤2%