描述
HALS 622 / Light Stabilizer 622 / Tinuvin 622 CAS 65447-77-0
项目 |
标准 |
外观 |
White coarse powder or yellowish granular |
挥发物 |
≤0.5% |
Light transmittance 425nm |
≥97% |
Light transmittance 450nm |
≥98%(10g/100ml methyl benzene) |
Light transmittance 500nm |
≥99% |
灰烬 |
≤0.05% |
Softening range |
50-70 ℃ |
Tinuvin 622 使用方法
1. Light Stabilizer 622 belongs to the newest generation of polymeric Hindered Amine Light Stabilizer, which has excellent hot processing stability. Terrific compatibility with resin, satisfying tractability against water and extreme low volatility and migratory.
2. Light stabilizer 622 can be applied to PE.PP. Polystyrene, ABS, polyurethane and polyamide etc, optimum effects are obtained when used with antioxidants and UV-absorbers.
3. Light stabilizer 622 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%.
4. PolymerizedHALSwithhighmolecularweight,lowvolatility,lowdegradation,hardlyextractable(bywater)orbleachable(bygas),andfineheatstability,working
Tinuvin 622 包装和运输
Packing: 25kg/ box; 20boxes/pallet; 20kgs carton (inner with plastic bag).
Tinuvin 622 存储
Store in dry places under 30℃ avoiding moisture and light.
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