CAS No. [65447-77-0]
Chemical name: Poly-(N- b -hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy
Molecular formula: H C15H25O4N nOCH3
Molecular weight: > 3000
Appearance: white or light yellow granular
Volatile(105°C, 2hr): 0.5% max.
Transmittance: 425nm 97% min.
500nm 99% min.
Ash: 0.1% max.
Packing: 25kg fibre drum
Hindered amine light stabilizer. It is used in light aging inhibition of polyethylene ,polypropylene,polyurethane, metaformaldehyde, polyamine and polyester,also in ABS and engineering plastics.