| Customization: | Available |
|---|---|
| CAS No.: | 8050-09-7 |
| Formula: | C20h30o2 |
|
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Gum rosin is natural thermoplastic resin with special physical and chemical properties, composed of several kinds of resin. And this product is our traditional exporting product with stable quality and favorable price.It can be widely used in adhesives, paints, oil paints, rubber, soaps and paper making industries, etc.
Rosin is often used as tackifying resin in hot melt, pressure-sensitive and solvent-based adhesives to increase initial tack and bond strength. Rosin can also improve the drying and peel strength of water-based acrylate laminating adhesives.
Rosin is a very important chemical raw material and is widely used in various industrial sectors.
| Parameter | Grade | ||
| Standard: GB8145-87 | X | WW | WG |
| APPEARANCE | Transparent | Transparent | Transparent |
| COLOR | Light Yellow | Pale Yellow | Yellow |
| SOFTENING POINT(R&B)°C | 77 | 76 | 75 |
| ACID NUMBER(mg KOH / g)≥ | 166 | 166 | 164 |
| UNSAPONIFIABLE MATTER % ≤ | 5 | 5 | 5 |
| ETHANOL INSOLUBLES % ≤ | 0.03 | 0.03 | 0.03 |
| ASH CONTENT % ≤ | 0.02 | 0.02 | 0.02 |
|
Index |
Super Grade X |
1st Grade WW |
2nd Grade WG |
3rd Grade N |
|
Color |
Yellowish |
Pale yellow |
Yellow |
Deep yellow |
|
Conforming to the demands on the standard color spaces of rosin color grade glass |
||||
|
Softening Point (ring & ball) °C ≥ |
76 |
75 |
74 |
|
|
Acid value mgKOH/g≥ |
166 |
165 |
164 |
|
|
Insoluble matter in ethanol % ≤ |
0.03 |
0.03 |
0.04 |
|
|
Non-saponifiable matter %≤ |
5 |
5 |
6 |
|
|
Ash %≤ |
0.02 |
0.03 |
0.04 |
|
Rubber Industry It is used as a softeningcohesion and endurance to heat. agent in rubber industryies. It improves
elasticity,
Adhesive Industry It is used for strengthening, softening and better adhesion. Paper It is used as sizing agent in the paper
industry. It gives abrasion resistance, strength, smoothness and better printing. Paint It is used as a basic ingredient in the
paint industy. It is used in road paint and thermoplastic paints. Other applications It is used in printing ink as color carrier,
as welding flux and for polishing in metal processing, as an additive in soap, food, antiseptics and germicides
Q1.What is the Trade Term?
A1:Ex-work factory , FOB Qingdao, FOB Shanghai,FOB Fujian, CIF
Q2. How long is the guarantee (period)?
A2:One years quality warranty .
Q3: Can I get samples?
A3: Yes, we can supply free sample, you pay for the freight charge only.
Q4: How to pay?
A4: PI will be sent firstly after our aligned products specification. Payment by Paypal , T/T, Western Union,LC,
are ok.
Q5: How is your MOQ?
A5: Normally speaking, our MOQ is 1kg. But we can also accept less quantity such as 100g on the condition that
sample charge is100% paid.
Q6: How can you guarantee the quality of your products ?
1. Our staff are all experienced in chemical products or related major background, they are well trained before
quotation.
2. Free sample or pre-shipment sample are available for our new cooperation before you place commercial order. We
are sure the same specification commercial products as sample to customers
3. Third Party Inspection like SGS can be arranged according to your requirement before shipping.
4. On-Spot QC in our APPROVED associated production bases with necessary certification like GMP, ISO etc.
Q7.How long is our Production leading time?
A7:within 15-20 days upon receive deposit in normal season, and 25-30days in our busy time
(August,September,October).
Q8.What kind of documents we will provide to you?
A8:B/L,Commercial Invoice, Packing List,Certificate of Original. with these documents you or your borker can do the
customs declaration at your side.
Q9. During shipping, if there is a damage to products, how do you get replacement?
A9: During shipping,our shipping angancy will try to ensure the safety of the goods.If there is a damage to
products, they would be responsible for the damage .If it is not a very serious problems,we will help you and
compensate you the damaged parts.
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