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Licharz PEI

Licharz PEI is an amorphous high-performance plastic with high mechanical strength and rigidity as well as good Creep resistance over a wide temperature range. In addition, PEI has a high long-term use temperature and good dimensional stability and is resistant to hydrolysis.

Polymer Name: Polyether Imide (PEI)

Physical Form: Bars, Plates, Tube

Features: Amorphous, Creep Resistant, Dimensional Stability, Excellent Hydrolysis Resistance, Excellent Mechanical Strength, Excellent Performance, Excellent Rigidity

Density: 1270.0 - 1270.0 kg/m³

Color: Natural

Technical Data Sheet
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Identification & Functionality

Technologies

Features & Benefits

Applications & Uses

Plastics & Elastomers End Uses
Plastics & Elastomers Processing Methods
Application examples
  • Bobbin
  • Sight glasses
  • Sealing rings
  • Device housing
  • Insulator sleeves

Properties

Color
Flame Rating
Physical Form
Mechanical Properties
ValueUnitsTest Method / Conditions
Density1.27g / cm³ISO 1183
Yield Stress105MPaISO 527
Elongation at Breakmin. 50%ISO 527
Modulus of Elasticity (Tensile test)3100MPaISO 527
Modulus of Elasticity (Bending test)3300MPaISO 178
Flexural Strength145MPaISO 178
Impact StrengthWithout breakKJ/m²ISO 179
Ball Indentation Hardness (H358/30)165MPaISO 2039-1
Thermal Properties
ValueUnitsTest Method / Conditions
Thermal Conductivity0.22W/(K m)DIN EN 12939
Coefficient of Linear Expansion5-610^5(K-1)
Temperature Range (long-term)(-40) - +170°C
Operating Temperature Range (short-term)200°C
Fire BehaviorV-0UL 94, IEC 60695
Dielectric Constant3IEC 60250
Typical Properties
ValueUnitsTest Method / Conditions
Moisture Absorption (Normal climate to saturation)0.75%DIN EN ISO 62
Water Absorption (up to saturation)1.35%DIN EN ISO 62
Electrical Properties
ValueUnitsTest Method / Conditions
Dielectric Dissipation Factor0.003IEC 60250
Specific Volume Resistance10^18ΩcmIEC 60093
Surface Resistance10^17ΩIEC 60093
Dielectric Strength33kV/mmIEC 60243
Tracking ResistanceCTI 175-IEC 60112

Regulatory & Compliance

Certifications & Compliance