Gum rosin ww grade
Soft point 166-170
PACKAGE: 225kg galvanized drum or 25kg bag
Origin: Guangxi China
Price: 2500USD/mt FOB
Gum rosin for coatings WW Grade
Appearance: Transparent
Color(species standard); Light yellow
USAGE: Paint, ink, rubber, paper, soap,
PACKAGE: 225kg galvanized drum or 25kg bag.
Rosin (also known as colophony) is a solid resinous material obtained from the oleoresin (tree sap) of live pine trees (called gum rosin), the stump wood of dead pine trees by solvent extraction (called wood rosin), and in the pulp paper recovery process (called tall oil rosin).
USAGE: The rosin is used directly in the manufacturing of adhesives, inks, rubber compounds, paints & coatings, etc., or modified as resins to give more specific characteristics to the rosin to improve or change their stability, aging, color, tackiness, and so forth to be used in the above-mentioned products.
GUM ROSIN WW GRADE |
GUM ROSIN WW GRADE |
(ex Pinus Massoniana) |
Appearance: transparent |
Color(species standard); light yellow |
Softening point(R and B, deg C); 76.0 min. |
USAGE |
Paint, ink, rubber, paper, soap,
Organic synthesis, etc. |
Acid value(mg/g); 166 min. |
Unsaponiflable matters: 5.0% max. |
Insoluble matter in alcohol: 0.030% max |
NORM |
[C19 H29 COOH] |
Dirt matters: 0.020% max. |
PACKAGE: 225kg galvanized drum or 25kg bag. |
Item |
Grade |
X |
WW |
WG |
Appearance |
Transparent |
Color |
Slightly yellow |
Pale yellow |
Yellow |
Softening point(R and B)° C≥ |
76 |
76 |
74 |
Acid value, mgKOH/g≥ |
166 |
165 |
164 |
Non-saponifiable content%≤ |
5 |
5 |
6 |
Impurity content%≤ |
0.03 |
0.03 |
0.04 |
Ash content%≤ |
0.02 |
0.03 |
0.04 |
Henan Xingfa Bio-Technology Co., Ltd.is a company producing sodium gluconate and HPAC. We supply industries and consumers with innovative products and are passionate about R&D.
Our factory is located in Jiaozuo city of Henan provience, covering an area of more than 106, 000 square meters. All of our products comply with the international quality standards and are greatly appreciated in a variety of different markets throughout the world. Our factory owns advanced production equipment and quality assurance system, we now can annually produce 50000MT one year. And we have attained EWC certificate of approval.
Since our company established, we have always adhered to the business policy as'Quality Best, Customer First'. We sincerely welcome domestic and overseas friends to visit us and looking forward to establishing successful business relationships with customers from all over the word. If you are interested in any of our productd, please feel free to contact us
