health chemical has high quality ww grade gum rosin for sale ,top gum rosin suppliers andmanufacturers. Wholesale natural food grade gum rosin at factory price.Our rosins are mainly sold to Australia, Indonesia, Nepal, India/gujarat, Vietnam, the United States, Canada, Mexico, Brazil, Africa, Europe and other countries and regions.
Gum Rosin, CAS 8050-09-7. also called colophony or Greek pitch (Pix græca), is a solid form of resin obtained from pines and some otherplants, 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.
There are main 3 kinds of gum rosin in China market: Pinus massoniana, Pinus kesiya, Pinus elliottii. Pinus Massoniana is best and has most widely used applications, second is kesiya,pinus elliottii is third.Our main product is Pinus massoniana gum rosin,
Natural organic compound,manly composed of resins.
high purity gum rosin CAS NO 8050-09-7 with competitive price
It is an important raw material for the manufacture of adhesive, coating, inks, rubber, soaps, paper etc.
In galvanized iron drum, 225kgs net each drum
In kraft paper bag without liner, 25kgs net each bag
In polypropylene woven bag, 25kgs net each bag
Technical Data Sheet
|COLOR||Light Yellow||Pale Yellow||Yellow|
|ACID NUMBER(mg KOH / g)≥||166.0||166.0||164.0|
|UNSAPONIFIABLE MATTER % ≤||5.0||5.0||5.0|
|ETHANOL INSOLUBLES % ≤||0.030||0.030||0.030|
|ASH CONTENT % ≤||0.020||0.020||0.020|