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NAUGARD® PHR phosphite

Technical Datasheet | Supplied by SI Group
NAUGARD® PHR phosphite by SI Group is phosphite antioxidant. It is used as a stabilizer of rubber at levels of 1-1.5 phr RHC and plastics at <0.5% in combination with phenolic antioxidants. This additive is also used as a stabilizer for SBR, BR, NBR and EPDM (Royalene®) polymers. NAUGARD® PHR phosphite prevents resinification of the polymer during manufacturing and storage. This non-staining and non-discoloring additive protect polymers against heat and oxygen degradation during processing. It is FDA approved. The shelf life of the product is one year.
Product Type
  • Antioxidants > Phosphites
  • Heat Stabilizers
Chemical Composition
Tris (monononylphenyl) phosphite
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