by SpecialChem

SONGNOX® 321B FF

Technical Datasheet | Supplied by Songwon

SONGNOX® 321B FF by Songwon is an antioxidant. It is a blend of hindered phenolic antioxidant and secondary phosphite antioxidant (1:2). It provides excellent melt flow and color protection. This additive offers long term heat stability. SONGNOX® 321B FF also provides gas fade resistance in polyolefins and avoids the negative effects of discoloration due to exposure to nitrogen oxides (NOX). Applications include polyethylene, polyethylene copolymers, polypropylene, and polypropylene copolymers for the stabilization of fibers, thin films, filled grades and molded articles.

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Product Type

Antioxidants > Phenolics
Antioxidants > Phosphites

Chemical Composition

Blend of tris(2,4-di-tert-butylphenyl) phosphite and tris-(3,5-di-tert-butylhydroxybenzyl) isocyanurate

CAS Number

31570-04-4, 27676-62-6

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