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Durostone® EPC 203

GFK-EP

Durostone® EPC 203 is a fiber reinforced plastic whose glass reinforcement is based on tissue. It is characterized by good mechanical and electrical properties and meets the thermal class F.

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Characteristics

  • Good mechanical properties
  • Good electrical properties
  • Epoxy (EP) resin matrix reinforced with an e-glass fine fabric

Variants

Technical Specifications Durostone® EPC 203

Test MethodUnitGuideline Value
DensityISO 1183g / cm31,85
Flexural strength ISO 178MPa450
Flexural strength +150°CISO 178MPa230
Modulus of elasticity in flexion ISO 178MPa23000
Modulus of elasticity in flexion +150°CISO 178MPa18000
Compressive strength ISO 604MPa500
Tensile strength IIISO 527MPa350
Impact strength II (Charpy)ISO 179kJ / m2100
Test MethodUnitGuideline Value
Temperature indexIEC 60216T.I.155
Insulation classIEC 60085/F
Test MethodUnitGuideline Value
Water absorption (4mm thickness)ISO 62% 0,1
Test MethodUnitGuideline Value
Electric strength 90°C under oil IEC 60243kV / mm16
Electric strength 90°C under oil IIIEC 60243kV/25mm70
Insulation resistanceIEC 60167Ω1014
Specific surface resistanceIEC 60093Ω5 x 1010
Comparative tracking indexIEC 60112CTI180
Insulation resistance after 24 h water immersionIEC 60167Ω1012

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