Product Name: Light Stabilizer 622
Chemical Name: Poly (4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol-alt-1,4-butanedioic acid)
Formula: H[C15H25O4N]nOCH3
CAS No.: 70198-29-7
Structural formula:
Application:
Light Stabilizer 622 is widely used in PP, PE, PS, ABS, PU, POM, TPE etc. Polymerized HALS with high molecular weight, low volatility, low degradation, hardly extractable(by water) or bleachable (by gas),and fine heat stability,working well with AO and UV.
Appearance | White powder or yellowish granule |
Melting point | 50~70℃ |
Molecular Weight | >2500 |
Loss on drying | ≤0.5% |
Ash | ≤0.1% |
Transmittance | 425nm≥93% 450nm≥95% |
Packing: 20/25 kg per carton