BASF Tinuvin XT 850 is an innovative NOR hindered amine light stabilizer designed for superior UV protection in acidic environments. Its unique chemistry prevents interactions with acid-cured coatings while delivering exceptional long-term weathering performance in polyolefins and PVC applications.
Acid Resistance - Maintains stability in acidic systems without mold fouling
Enhanced Durability - 50% better UV protection than conventional HALS
Low Migration - Minimal volatilization during high-temperature processing
Regulatory Compliance - Meets FDA food contact and heavy metal-free requirements
Synergistic Performance - Boosts effectiveness when combined with antioxidants
Acid Resistance - Maintains stability in acidic systems without mold fouling
Enhanced Durability - 50% better UV protection than conventional HALS
Low Migration - Minimal volatilization during high-temperature processing
Regulatory Compliance - Meets FDA food contact and heavy metal-free requirements
Synergistic Performance - Boosts effectiveness when combined with antioxidants
Chemical Type | NOR hindered amine blend |
Appearance | White to off-white granules |
Molecular Weight | 2000-3100 g/mol (main component) |
Melting Point | 55-64°C |
Flash Point | >150°C |
Bulk Density | 480 kg/m³ |
Volatiles (150°C/3h) | ≤0.5% |
Solubility (20°C) | Acetone>50 g/100g / Water:<0.01 g/100g |
Recommended Dosage | 0.05-0.8% (on polymer weight) |
Packaging | 40 kg/drum (moisture-proof foil) |
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E-mail: wangxingqiang@ericwchem.com
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