Description
T-403 Polyetheramine as an Epoxy hardener is a trifunctional primary amine with an average molecular weight of approximately 440. It features repeating oxypropylene units in its backbone, with amine groups located on secondary carbon atoms at the ends of aliphatic polyether chains.
Key Features:
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Applications:
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Epoxy curing agent.
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Anti-sag agent for polyurethanes.
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Benefits:
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Low color and vapor pressure.
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Completely miscible with a wide range of solvents, including water.
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Enhances flexibility and strength in formulations.
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Physical and Chemical Properties:
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Appearance: Colorless to pale yellow with slight haze.
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Amine Hydrogen Equivalent Weight (AHEW): 81 g/eq.
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Viscosity: 72 cSt at 25°C (77°F).
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Flash Point: 196°C (385°F).
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Density: 0.978 g/ml (8.12 lb/gal) at 25°C.
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pH (5% aqueous solution): 11.6.
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Handling & Storage:
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Compatible with carbon steel, stainless steel, and certain plastics (e.g., polyethylene, polypropylene).
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Recommended storage under nitrogen to prevent moisture absorption and discoloration.
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Shelf life of at least two years if stored below 100°F in sealed containers.
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Regulatory & Safety:
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CAS Number: 39423-51-3.
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Users should consult the Safety Data Sheet (SDS) for toxicity and handling guidelines.
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Availability:
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Supplied in bulk, totes, or 440 lb (200 kg) drums.
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T-403 Polyetheramine (PEA) is widely used in industrial applications due to its versatility, compatibility, and performance-enhancing properties. For detailed safety and regulatory information, refer to the product’s SDS.