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联系人 Ms. Kebin
Zhaohui, Hangzhou
Appearance : Light yellow crystal or white power
Assay : ≥ *9%
Melting point : ******6 °C
Loss on drying : ≤ 0.5%
Ash : ≤ 0.1%
Light Transmittance :
|
wavelength nm |
T % |
|
**0 |
≥ *7 |
|
**0 |
≥ *8 |
Toxicity :Toxicity is low. Rat LD *0 >5g/kg
body weight taking orally.
Use : As the ultraviolet absorption agent, it is
available to PVC,polystyrene and Polyolefine etc.The max.absorbing
wavelength range is ******0nm.The general consumption:0.**0.5% for
thin matter,0.***0.2% for thick matter.
Storage and transportation : The chemical stability is
good. It can be stored and transported according to the general
chemical matter regulation.
