CAS 8050-09-7 Hot Selling Paper Rosin Ww Grade Colophony Resin Gum Rosin

• Type: Resin Rosin
• Grade: Special Grade
• Usage: Industrial, Paper Making
• Packaging: Drum
• Color: Yellow
• Shelf Life: 2 Years Proper Storage
• Transport Package: Drun
• Trademark: YLF
• Origin: China

Product Description

Gum Rosin

 

 

1.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

 

 

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, 225kg net each drum.

(2) Bag: Intertexture or kraft paper bag, 25kg net each bag.