Categories
| Price: | US $ 1698/Ton |
|---|---|
| Trade Terms: | FOB,CFR,CIF |
| Min Order: | 25/Ton |
| Pay Type: | L/C,T/T,Western Union |
Appearance:Transparent Solid
Color:pale yellow
Softening Point (R&B),°C, min:76
Acid Value, (mgKOH/g), min:166
Alcohol insoluble Substance ,(%) , max:0.03
Unsaponifiable matter, (%) ,max:5
Ash, (%) ,max:0.02
Correspond to the Standard Glass Color Piece of Rosin
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.
4. Technical specification:
The above technical specification (GB 8145-87) is the national standard of People's Republic of China. If there are changes, the latest specification will be executed and assured by contract.
Parameter | Grade | ||
Standard: GB8145-87 | X | WW | WG |
APPEARANCE | Transparent | Transparent | Transparent |
COLOR | Light Yellow | Pale Yellow | Yellow |
SOFTENING POINT(R&B)°C | 77.0 | 76.0 | 75.0 |
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 |
Category | Product Type | Appearance | Color, Gardner grade | Softening point (R&B), ºC | Acid Value(mgKOH/g) | Alcohol insoluble substance (%) | Unsaponifiable matter (%) | Ash (%) |
Gum Rosin / Refined Gum Rosin | Grade X | Transparent solid | Slightly yellow | ≥76 | ≥166 | ≤0.03 | ≤5 | ≤0.02 |
Grade WW | Transparent solid | Pale yellow | ≥76 | ≥166 | ≤0.03 | ≤5 | ≤0.02 | |
Grade WG | Transparent solid | Yellow | ≥75 | ≥165 | ≤0.03 | ≤5 | ≤0.03 | |
Grade N | Transparent solid | Deep yellow | ≥75 | ≥165 | ≤0.03 | ≤5 | ≤0.03 | |
Grade M | Transparent solid | Yellow brown | ≥74 | ≥164 | ≤0.04 | ≤6 | ≤0.04 | |
Grade K | Transparent solid | Yellow red | ≥74 | ≥164 | ≤0.04 | ≤6 | ≤0.04 | |
Refined Gum Rosin LGR-2 | Transparent solid | Gardner grade 2max | ≥76 | ≥165 | ≤0.03 | ≤5 | ≤0.008 | |
Refined Gum Rosin LGR-3 | Transparent solid | Gardner grade 3max | ≥76 | ≥165 |
| Prod Model: | ww grade |
|---|---|
| Markets: | North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Export Markets: | Global |
| Sample: | Free |
| Appearance: | Transparent |
| Payment: | T/T or L/C at Sight |
| Delivery Detail: | Within 15 Days |
| Type: | Wood Rosin |
| Grade: | First Grade |
| Usage: | Water Treatment Chemicals |
| Packing: | Drum |
| Color: | Light Yellow |
