SpeedBlock 622 is an oligomeric hindered amine light stabiliser (HALS) for use in polymer processing and coatings. SpeedBlock 622 is typically used at 0.1 - 1.2% depending on the processing conditions and end application.
CAS no. 65447-77-0
Butanedioic acid, dimethylester, polymer with 4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol
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