Category: High-Performance Polymers
Polyetherimide (PEI)
Polyetherimide (PEI) is a high-performance amorphous thermoplastic offering exceptional heat resistance, strength, and flame retardancy. It maintains excellent mechanical properties at elevated temperatures.
Technical Specifications
Density
1.27-1.28g/cm³
Melting Point
340-360°C
Tensile Strength
95-105MPa
Flexural Modulus
3000-3300MPa
Izod Impact
5-7kJ/m²
Hdt
200-210°C
Test Standards:
ISO 1183ISO 527ISO 178UL 94
Key Properties
Excellent heat resistance (continuous use up to 170°C)
Inherent flame retardancy (UL 94 V-0)
High strength and stiffness
Excellent dimensional stability
Good chemical resistance
Transparent amber color
Typical Applications
Aircraft interior components
Medical sterilizable devices
Automotive under-the-hood parts
Electronic and electrical components
Food service equipment
Available Grades
1Unfilled PEI - Maximum transparency
2Glass-filled PEI - Enhanced strength
3Carbon-filled PEI - Improved wear resistance
4Medical-grade PEI - Sterilizable
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