 |
 |
 |
 |
 |
 |
 |
 |
 |
| Add: 24-29/F, Xinhua Mansion, No. |
| 55 Zhongshan Rd., Nanjing, China |
| Tel: 0086-25-84795748 |
| Fax: 0086-25-84795750 |
| E-mail: sales@polyadditive.com |
| Manager: Vivian Cui (Ms.) |
|
|
 |
 |
UV Stabilizer |
UV-329 |
| Chemical name: |
2-(2'-hydroxy-5'-tert-octyllphenyl)benzotriazole 【MSDS】
|
| Equivalent: |
Cyasorb UV-5411 (Cytec) |
| Structural formula: |
 |
| Molecular formula: |
C20H25N3O |
| Molecular weight: |
323.43 |
| CAS NO.: |
3147-75-9 |
| Physical properties: |
Appearance:
White powder
|
Melting point:
101DC-108DC
|
| Flash point:
Not available
|
Specific gravity (g/cm3@20DC):
Not available
|
Solubility@20DC(g/100g solvent) |
| Water
:
Insoluble
|
Benzene
:
39.2
|
|
Alcohol
:
0.6
|
Styrene
:
33
|
| N-heptane
:
7.4
|
Acetic ether
:
21.8
|
|
| Specifications: |
Appearance |
: White powder |
Melting point |
: 101℃~106℃ |
Ash |
: 0.05% max |
Volatile |
: 0.5% max |
Transmittance(440nm) |
: 97% min |
Transmittance(500nm) |
: 98% min |
Assay |
: 99% min |
|
| Applications: |
UV-329 is high-efficient light stabilizer, absorbing UV with low volatility. It is used in polystyrene, Perspex, polyester, rigid PVC, PC, ABS resin, etc. It is quite capable for transparent products and engineering plastics processed in high temperature.
UV-329 has good cooperative effect when used with anti-oxidant to increase the resistance to climate and heat stability.
|
| Packing: |
25kg net fiber drum & 250kg on a pallets
|
|
|
 |
|
