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Sell: Benzophenone 12 UV absorber UV-531 |
Date: |
2019-10-30 |
Cas#: |
1843-05-6 |
Specification: |
Yellow needle crystalline |
Price: |
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Quantity: |
1Kilogram |
Term: |
30 |
Note: |
UV-531锛圔P-12锛?
Chemical name锛歕
2-hydroxy 4-(octyloxy)
CAS NO.锛?843-05-6 Molecular formula: C21H26O3
Item Index
Appearance Yellow needle crystalline powder
Assay 鈮?9.5%
Melting point 47-49鈩僜
Volatile 鈮?.5%
Ash 鈮?.1%
Transmittance 450nm 鈮?90.0%
500nm 鈮?95.0%
Packing 25kg or 20kg/Drum NET WEIGHT
Applications
1.Polypropylene聽:聽0.2-0.5wt%聽based聽on聽polymer聽weight
2.PVC:
聽 Rigid聽PVC聽:聽0.5wt%聽based聽on聽polymer聽weight
聽 Plasticized聽PVC聽:聽0.5-2聽wt%聽based聽on聽polymer聽weight
3.Polyethylene聽:聽0.2-0.5wt%聽based聽on聽polymer聽weight
This聽product聽is聽a聽light聽stabilizer聽with聽good聽performance,聽capable聽of聽absorbing聽the聽UV聽radiation聽
of聽240-340聽nm聽wavelength聽with聽the聽characteristics聽of聽light聽color,聽nontoxic聽,聽good聽compatibility,聽
small聽mobility,聽easy聽processing聽etc.聽It聽can聽protect聽the聽polymer聽to聽its聽maximum聽extent,聽helps聽to聽
reduce聽the聽color.聽It聽can聽also聽delay聽the聽yellowing聽and聽obstacle聽the聽loss聽of聽its聽physical聽function.聽
It聽is聽widely聽applied聽to聽PE,PVC,PP,PS,PC聽organic聽glass,聽polypropylene聽fiber,聽ethylene-vinyl聽
acetate聽etc.聽Moreover,聽it聽has聽very聽good聽light-stability聽effect聽on聽drying聽phenol聽aldehyde,
聽varnish聽of聽alcohol聽and聽acname,聽polyurethane,聽acrylate,聽expoxnamee聽etc.
Storage
The聽product聽may聽be聽stored聽up聽to聽two聽years聽in聽a聽sealed聽container.聽Containers聽should聽be聽stored聽in聽a聽cool,聽dry聽area.聽Extended聽storage聽at聽elevated聽temperatures聽or聽exposure聽to聽direct聽heat聽or聽sunlight聽could聽reduce聽product聽life.聽Keep聽containers聽sealed聽when聽no聽in聽use.
Packaging and storage
Inner drum lined with plastic bag, 20KG / barrel (NW)
Sealed and stored in a dark, dry place |
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