NAUGARD™ PS 48 stabilizer is a liquid hindered phenolic for use as an antioxidant across many polyurethane (PUR) and polyol applications. NAUGARD™ PS 48 has outstanding polymer protection against long-term aging during processing.
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NAUGARD™ PS 48 stabilizer is a low-volatility, low-viscosity primary antioxidant that provides excellent overall protection against heat and oxygen exposure. Additionally, NAUGARD™ PS 48 provides excellent scorch protection for coatings, adhesives, sealants, and rigid polyols. NAUGARD™ PS 48 is a primary antioxidant that can be used in combination with phosphite or aminic boosters for slabstock polyols, depending on the application.
Appearance: Clear Liquid
Viscosity cSt @ 40°C: 110
APHA color: <100
Specific gravity: @ 25°C: 0.985
Moisture, %: 0.01
Assay, %: 99
Primary Chemistry:
Blend of phenolic and aminic antioxidants
High volatility of traditional polyol antioxidants
Thermal degradation or scorch in manufacturing flexible polyurethanes
Flexible polyurethanes (PUR) and polyol formulations
Polyether and polyester flexible foams
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