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| 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.) |
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UV Stabilizer |
HALS 622 |
| Chemical name: |
Poly(4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol-alt-1,4-butanedioic acid) 【MSDS】
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| Equivalent: |
Tinuvin 622 (Ciba SC)/ Lowilite 62 (Great Lakes) |
| Structural formula: |
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| Molecular formula: |
C15n+1H25n+4O4n+1N |
| Molecular weight: |
-------- |
| CAS NO.: |
65447-77-0 |
| Physical properties: |
Appearance:
White or yellowish crystal powder
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Melting range: 55DC-70DC |
| Flash point: 428DC |
Specific gravity (g/ml@20DC): 1.22 |
Solubility@20DC(g/100g solvent) |
| Water
:
Insoluble
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Toluene
:
Soluble
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Methanol
:
Insoluble
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Chloroform
:
Soluble
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| Specifications: |
Appearance |
: White to buff coarse powder |
Volatile |
: 0.5% max |
Transmittance(425nm) |
: 97% min |
Transmittance(500nm) |
: 98% min |
Ash |
: 0.10% max |
Assay |
: 99% min |
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| Applications: |
HALS 622 belongs to the new generation of polymeric Hindered Amine Lightly Stabilizer, which has excellent hot processing stability, nice compatibility in resin, satisfy extractibility against water, and extreme low volatility and migratory. This product can be applied to PE.PP. PS, ABS, PU and polyamide etc. Optimum effects are obtained when used together with antioxidants and UV-absorbers. It is one of the light stabilizers that are sanctioned by FDA to be used in food packages. Reference dosage in PE agricultural film: 0.3-0.6%.
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| Packing: |
25kg net carton & 500kg on a pallet
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