Gum Rosin

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Post Date: Jun 5, 2007
Validity Date: Jun 5, 2019
Category: Chemicals » Organic Chemical Materials » Ester

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Description

1. Specification

Grade : WW grade

Appearance: Transparent Solid

Color: pale yellow ( Correspond to Standard Glass Color Piece of Rosin)

Softening Point( R&B),℃, Min: 76

Acid Value( mgKOH/g),Min: 166

Alcohol in Soluble Substance,(%),Max: 0.03

Unsaponifiable matter,(%),Max: 5

Ash,(%), Max: 0.02

2.Properties and uses:

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. So it is an
important raw material for the production of paper, coatings, inks, rubber, soaps,
electronic industrial products, food grade ester gum, rosin ester resins etc.

3.Packing:

(1) Drum: Galvanized iron drum, 225kgs net each drum.
(2) Bag: Intertexture or kraft paper bag, 25kgs net each bag.

4.Technical specification:

(1)The above technical specification(GB 8145-87) is the national standard of People's
Republic of China. If there are changes, the latest specification will be executed
and assured by contract.
(2)To use chromatogram to differ gum Rosin made from purely massoniana or elliottii is our main characters