Description
Product Name: Light Stabilizer-622 (UV 622)
Chemical Name: Poly-(N-β-hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy-piperidyl succinate)
CAS NO.: 65447-77-0
Specification:
| Item | Standard |
| Appearance | White or pale-yellow granule |
| Volatile matter | ≤0.5 % (105℃ 2hrs) |
| Transmittance | 425nm ≥ 97% |
| 500nm ≥ 98% | |
| Ash | ≤0.1% |
| Molecular weight (Mn) | >2100 (contrast with polystyrene) |
Uses: It is Hindered amine light stabilizer, used in light aging inhibition of polyethylene, polypropylene, polyurethane, metaformaldehyde polyamine and polyester, also in ABS and engineering plastics.
Packing: in 25kg net carton, or as customer’s request
Storage: Store in dry places under 30℃, avoiding heat and moisture.
