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Chemical
name
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2-(2'-hydroxy-5'-tert-octyllphenyl)benzotriazole
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CAS NO.
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3147-75-9
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Against
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Tinuvin 5411 (Ciba)
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Introduction
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UV-329|UV-5411 is a benzotriazole type UV absorber.
Characterized by its high solubility and superior properties makes UV-329|UV-5411
particularly suitable for light stabilizing in coatings, propylene,
polyurethane and polyvinyl chloride.
UV-329|UV-5411 is also effective to the light stabilization of unsaturated
polyester, polyacrylate and polycarbonate.
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Physical
properties
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Appearance: white powder
Melting Point: 101-106 Deg.C
Assay: 99% min.(HPLC)
Transmittance: 460nm: 97% min
500nm: 98% min
Ash content: 0.1% man
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Advantage
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• Readily soluble in a wide range of organic
solvents.
• Excellent compatibility
with variety of the polymers.
• Low volatility during high processing
temperature.
• Good extraction resistance.
• Low vapor pressure, very little or no loss
during processing.
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Applications
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• Coatings: 1.0-3.0wt% based on solids.
• Polyvinyl chloride: 0.2-0.5wt% for rigid
PVC based on solids.
• Polyurethane: 0.3-1.0wt%
for PS based on solids.
• Polyacrylate:
0.15-0.3wt% for PS based on solids.
• Polycarbonate: 0.15-0.3wt% for PS based on
solids.
• Unsturated
Polyester: 0.2-0.4wt% for PS based on solids.
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Toxicity
& Safety
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UV-329 can be safely handled without irritation caused to the skin.
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Package
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In 25 kg carton drum with inner plastic
bag.
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Storage
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In a closed system and dry , dark place
without any light exposure.
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UV ABSORBER: UV-329,UV-5411
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Tel:86-571-8565-5918
86-571-8821-2363
Fax:86-571-8821-2215
Email:
sales@sunnychemical.com
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links
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• Silylating Reagent
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• Polymer additive
•PURSTAB 55
•PURSTAB 65
•PURSTAB 78
•PURSTAB 85
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•AO-DLTDP,CAS#123-28-4
•AO-DSTDP,CAS#693-36-7
•OBA-OB,CAS#7128-64-5
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•OBA-KCB,CAS#5089-22-5
•OBA-CBS-X,CAS#54351-85-8
•OBA-FP,CAS#40470-68-6
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• Food additive
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• Biocide & Antimicrobial
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• Fine Chemical
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