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NAUGARD™ PHR
NAUGARD™ PHR is a liquid phosphite antioxidant for rubber and polymers that contains up to 1% triisopropanol amine to improve resistance to hydrolysis.
NAUGARD™ PHR is a phosphite antioxidant that protects polymers from degradation resulting from heat and oxygen exposure during processing. It also acts as a stabilizer for synthetic rubbers, such as SBR, BR, and NBR, and prevents resinification during manufacturing and storage. NAUGARD™ P and NAUGARD™ PHR may be interchangeable, with NAUGARD™ PHR being utilized when hydrolysis may occur. This particular grade of antioxidants prevents polymer degradation during the isolation and drying of emulsion rubbers, such as styrene-butadiene rubber (SBR) and nitrile butadiene rubber (NBR).
Broad FDA food contact approvals Nonstaining Nondiscoloring Synergizes with phenolic antioxidants in plastics Stabilizes rubber; use 1 to 1.5 phr rubber hydrocarbon Stabilizes plastics; use <0.5 wt%
Problems Solved
Hydrolysis of phosphite antioxidants in plastic and rubber applications Degradation of polymers in high-temperature processes Unwanted resinification during manufacturing or storage Discoloration or staining with the use of traditional phosphite antioxidants
Applications
Pressure-sensitive adhesives Polymer coatings Sealing gaskets for food containers
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Thank you
Thank you for your inquiry and interest in ChemPoint. We will respond to you shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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