Liquid amine antioxidant for reducing scorch in flexible polyurethane foams made with polyether polyols.
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NAUGARD™ PS30 is an amine antioxidant designed to reduce scorch in polyether polyols used to make urethane foams.
NAUGARD™ PS30 is effective when used alone, but pairing it with a phenolic and phosphite antioxidant creates a significant synergy that further inhibits physical and color scorch during the manufacturing of flexible urethane foams. The product is supplied in a liquid form that allows blending into polyols at ambient temperatures.
Appearance: Clear, reddish to brown liquid
Residual Diphenylamine (DPA): 0.05%
Viscosity (@ 40 °C): 400 cSt
Color - Gardner: 2
Specific Gravity (@ 25 °C): 0.98
Boiling Point: >200 °C
Flash Point: 180 °C
Nitrogen Content: 4.7%
Moisture: 0.01%
Ash Content: 0.01%
Primary Chemistry: Butylated, octylated diphenylamine
Liquid form that easily blends with polyether polyols at ambient temperature
Very low residual DPA content
Synergistic with phenolic and phosphite antioxidants
Cost effective
Discoloration and scorch caused by oxidation in flexible polyurethane systems
Addition and mixing difficulties of solid antioxidants with polyols, especially at ambient temperatures
Flexible urethane foams made with polyether polyols.
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