Gun rosin

Product Description
Gum Rosin
- Liquid & Solid
- Type WW Garade
- Acid Index (MG KOH / G):******0
- Ash:0.*2% max

 

Product Feature

Gum rosin also called colophony, 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 terpene components. 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.

 

Appearance: Light Yellow
Synonyms: Colophony; Pine rosin
CAS No.: ********7

Product Specification/Models
 COLOUR,slight yellow,pale yellow,yellow,deep yellow,yellow brown,yellow red
APPEARANCE,(Transparent)
SOFTENING POINT ,(ball & ring)(*6 C min *5 C min*4 C min)
ACID VALUE (mgKOH/g)(**6 **5 **4)
UNSAPONIFIABLE MATERIAL(5% MAX)
ALCOHOL INSOLUBLE MATERIAL( 0.*3% MAX)(0.*4% MAX)
ASH(0.*2% MAX 0.*3% MAX 0.*4% MAX