18 Years Factory Cas：25638-17-9 - UV Absorber 2908 (UV-2908)with CAS 67845-93-6 – Unilong
18 Years Factory Cas：25638-17-9 - UV Absorber 2908 (UV-2908)with CAS 67845-93-6 – Unilong Detail:
| ITEM | INDEX |
| Appearance | White to light yellow Powder |
| Assasy, % | ≥ 98 |
| Melting Point(℃) | 59.00-64.00℃ |
| Volatile(%) | ≤0.50 |
| Volatile(%) | ≤0.10 |
| Transmittance(%): 460nm | ≥ 95.00 |
| Transmittance(%): 500nm | ≥ 97.00 |
This product is an excellent high-efficiency, aging-preventing agent, capable of absorbing the ultraviolet radiation of 270-340 nanometers, widely applied to PE,PVC,PP,PS,PC,polypropylene fiber, ABS resin, epoxy resin, resin fiber and ethylene -vinyl acetate etc. It can be applied to plastic containers and food-packing boxes as packaging materials, providing good light-stabilizing effect. Recommended dosage:0.1-0.5% for thin products and 0.05-0.2% for thick products.
The product belongs to the class of hindered hydroxybenzoate light stabilizer. UV-2908 is most suitable for the protection of polyolefins, polycarbonate and the systems containing flame retardants and thioesters.
25kgs/drum,9tons/20′container, 25kgs/bag, 20tons/20′container.
Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and put down.
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MF: C44H31Cl3N4O2
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MF: (C13H16O2)n
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MF: (C2H4O)n.C18H20N2O3
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MF: C52H68N6O5.(C2H4O)n
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MF: C28H18O5.(C2H4O)n
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MF: C15H12O3
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MF: C21H28N2O
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Benzoin CAS NO.: 119-53-9; 579-44-2
EINECS No.: 209-441-5
MF: C14H12O2
Benzil CAS NO.: 134-81-6
EINECS No.: 205-157-0
MF: C14H10O2
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By using a full scientific excellent administration method, great quality and fantastic religion, we get good reputation and occupied this discipline for 18 Years Factory Cas：25638-17-9 - UV Absorber 2908 (UV-2908)with CAS 67845-93-6 – Unilong , The product will supply to all over the world, such as: Doha, Nairobi, Kuwait, We honor ourselves as a company that comprises of a strong team of professionals who are innovative and well experienced in the international trading, business development and product advancement. Moreover, the company stays unique among its competitors due to its superior standard of quality in production, and its efficiency and flexibility in business support.
By Erica from Chile - 2018.02.08 16:45
With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.
By Eudora from Bahamas - 2017.12.31 14:53
