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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.


Standard sizes

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 604MPa500
Impact strength (parallel)ISO 179kJ/m2100
Tensile strength (parallel)ISO 527MPa350
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.

Product programme

Our range of Durostone® FRP-sheets:


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Rainer Sanders
General Manager Sales & Marketing


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