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Tinuvin326
Evonik
Siwin-UA326
3896- 11-5
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Siwin-UA326
Ultraviolet Absorber
UV Absorber 326 is a strong absorber of ultraviolet radiation in the 300-400nm region. It has a low volatility at high temperatures and high resistance to thermal degradation and can therefore be used without significant loss or decomposition in the polyolefin compounding and molding processes.
Typical Physical Properties
Chemical Name:2-(5-Chloro-2H-benzotriazole-2-yl)-6-(1,1-di-methylethyl)-4-methylphenol
Cas No.:3896-11-5
Appearance | Light yellow powder |
Purity | ≥99% |
Light transmittance | ≥93% （460nm） ≥95% （500nm） |
Molecular weight | 315.8 g/mol |
Melting point | 137-142℃ |
Volatiles | ≤0.5% |
Ash | ≤0.1% |
Applications
This item is primarily utilized in the production of polyvinyl chloride, polystyrene, unsaturated resin, polycarbonate, polymethyl methacrylate, polyethylene, ABS resin, and epoxy resin. It can be paired with phenolic and phosphite antioxidants, as well as HALS, to enhance its performance when exposed to outdoor elements.
Packaging and Storage
Package: 25kg carton inner with plastic bag or as customer`s requirement.
Storage: Keep container tightly closed in a dry and well-ventilated place.
The use of proper protective equipment is recommended. Excess exposure to the product should be avoided. Wash thoroughly after handling.
All safety information is provided in the Safety Data Sheet.
Siwin-UA326
Ultraviolet Absorber
UV Absorber 326 is a strong absorber of ultraviolet radiation in the 300-400nm region. It has a low volatility at high temperatures and high resistance to thermal degradation and can therefore be used without significant loss or decomposition in the polyolefin compounding and molding processes.
Typical Physical Properties
Chemical Name:2-(5-Chloro-2H-benzotriazole-2-yl)-6-(1,1-di-methylethyl)-4-methylphenol
Cas No.:3896-11-5
Appearance | Light yellow powder |
Purity | ≥99% |
Light transmittance | ≥93% （460nm） ≥95% （500nm） |
Molecular weight | 315.8 g/mol |
Melting point | 137-142℃ |
Volatiles | ≤0.5% |
Ash | ≤0.1% |
Applications
This item is primarily utilized in the production of polyvinyl chloride, polystyrene, unsaturated resin, polycarbonate, polymethyl methacrylate, polyethylene, ABS resin, and epoxy resin. It can be paired with phenolic and phosphite antioxidants, as well as HALS, to enhance its performance when exposed to outdoor elements.
Packaging and Storage
Package: 25kg carton inner with plastic bag or as customer`s requirement.
Storage: Keep container tightly closed in a dry and well-ventilated place.
The use of proper protective equipment is recommended. Excess exposure to the product should be avoided. Wash thoroughly after handling.
All safety information is provided in the Safety Data Sheet.
