UV Stabilizer 123 (NOR-HALS, Liquid, Acid-Resistant)
CAS 129757-67-1
In StockMOQ
25 kg
Lead Time
7–14 days
Packaging
25 kg jerry cans
Specifications
| Appearance | Light yellow liquid |
| Chemical Type | NOR-HALS (N-alkoxyamine hindered amine) |
| Molecular Weight | ~2286 g/mol |
| Acid Compatibility | Excellent (acid-catalysed coatings) |
| Recommended Dosage | 0.5–2.0% |
FAQ
Standard HALS can be deactivated by acidic crosslinkers (melamine, blocked isocyanates). NOR-HALS (like UV-123) is acid-resistant, maintaining photostabilisation efficiency even in low-pH cure environments.
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