NAUGARD™ PS 4830 stabilizer is a liquid blend of phenolic and aminic antioxidants for use across various polyurethane (PUR) foam applications. It is an effective antioxidant that offers great protection against degradation from heat and oxygen during processing.
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NAUGARD™ PS 4830 is a primary antioxidant stabilizer blend of phenolic and aminic antioxidants that protects polyurethanes (PUR) and polyols during processing. NAUGARD™ PS 4830 liquid blend helps preserve flexible polyurethane (PUR) foams from thermal scorch, surface discoloration, and degradation due to heat and oxygen. NAUGARD™ PS 4830 is a blended primary antioxidant tailored to improve the polyol and polyurethane (PUR) long-term performance against oxidation.
Appearance: Clear, slightly yellow liquid
Viscosity cSt @ 25°C: 810
Viscosity cSt @ 40°C: 184
APHA color: 350
Specific gravity @ 25°C: 0.965
Moisture, %: 0.01
Assay, %: 99
Primary Chemistry:
Blend of a hindered phenols
High volatility of traditional polyol antioxidants
Thermal degradation or scorch in manufacturing flexible polyurethane (PUR) foam
Flexible polyurethanes (PUR) and polyol formulations
Polyether and polyester flexible foams
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