Our gum rosin is well-accepted in the market for its superior quality and high purity;
choose our gum rosin, choosing wealth!
Name:rosin,colophony,colophene Molecular Formula:C20H30O2
Specification:
Item Special grade Grade1 Grade2 Grade3 Grade4 Grade5
Color slightly yellow pale yellow yellow dark yellow browish yellow reddish yellow
Appearance transparent solid
transparent solid transparent solid transparent solid transparent solid transparent solid
Softening Point(R&B)°c 76 76 75 75 74 74
Acid Number(mgKOH/g)≥ 166 166 165 165 164 164
Unsaponifiable Matter(%)≤ 5 5 5 5 4 4
Ethanol Insolubles(%)≤ 0.03 0.03 0.03 0.03 0.04 0.04
Ash Content(%)≤ 0.02 0.02 0.03 0.03 0.04 0.04
Application:mainly used as adhesive ,tackifier in hot-melting-type‚pressure-sensitive type,resolvent-type adhesives to improve adhesiveness.
Widely used in the industry of soup-making,paper-making,paint and coating,ink ,rubber,food,building material,scaling powder,musical instrument.
Solubility:soluble in ethane,diethyl ether,acetone,benzol,carbon disulfide,turpertine,aqueous alkali;insoluble in water.
Chemical properties:
1.Outstanding pressure sensitivity and adhesiveness.
2.Great sensitivity to heat,light,oxygen;
3.Easily oxidized in powdery state.
FOB Price:USD1270-1588/ton
Terms of Payment:L/C,D/A,D/P,T/T,Western Union,MoneyGram
Our Advantage: 1.Sufficient stock
2.Excellent quality
3.Provision of free sample and photos
4.Reasonable discount according to your orders
5.Prompt delivery and notice before and after shipment
6.First-class after-sale service
7.Rich experience of container loading
8.Long-established shipping company
Please feel free to contact with us ,your inquiry will get our first-time attention and prompt reply.And terms of payment can be suited to your request !
