Durostone® EPC 203

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.


  • green

Standard sizes

  • 3030x1220 mm

Type acc. to standard (EN 60893)

EP GC 203

Thermal endurance (IEC 216)



Technical ValuesTest methodUnitEPC 203
Fibre reinforcement--fabric
Specific gravity-g/cm31,85
Standard colour--green
Previous quality--EPF 2-W
DIN 7735 type--HGW 2372.4
EN 60893/IEC 893 type--EPGC 203
Nema-LI.1 designation--G-11
NFC 26153/26151 StandardISO 1183 meth 1g/cm3VtEM2
Bending strength (perpendicular)ISO 178MPa450
Modulus of elasticity (perpendicular)ISO 178MPa23000
Compressive Strength (perpendicular)ISO 604MPa550
Impact strength (parallel)ISO 179kJ/m2100
Tensile strength (parallel)ISO 527MPa300
Electric strength at 90°C (perpendicular)IEC 60243kV/mm16
Breakdown voltage at 90°C (parallel)IEC 60243kV/25mm70
Comparative tracking indexIEC 60112CTI180
Tracking and erosion resistanceIEC 60587 meth 1--
Thermal conductivityISO 8302W/mK0,3
Thermal enduranceIEC 60216T.I.155
Insulating classIEC 60085-F
FlammabilityIEC 60707--
Coefficient of linear expansion (parallel)-10-6K-1



Remarks: Property variation possible in the area of 50mm, average - not guaranteed technical values. Tol. accord with EN 60893-3-5. The data mentioned are average values. We cannot accept any responsibility for their accuracy.

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Rainer Sanders
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