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AO-549 (GS)

Technical Datasheet | Supplied by MPI Chemie
AO-549 (GS) by MPI Chemie is an antioxidant and bifunctional processing stabilizer. It also functions as alkyl radical scavenger during processing/compounding. This additive provides excellent heat resistance at elevated temperatures during polymer processing. AO-549 (GS) shows resistance to discoloration while minimizing fish-eye gels and die build-up. It inhibits the formation of free radicals thereby enhancing the photo- and heat-stability of polymers.
Product Type
Chemical Composition
2-(1-(2-hydroxy-3,5-di-tert-pentyl-phenyl)ethyl)-4,6-di-tert- pentylphenyl acrylate
CAS Number
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