Product properties

Like the Vetronit EP 105 it is sandwich laminate based on epxi resin glassfabric coverlayers and an epoxi paper core. CEM-1 according to NEMA. Increased flexural strength and electrical insulation (similar to FR4).

Electrically insulator: 
main area of use: 
Basic stucture material, Increased dimensional stability, rigidity
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Densityg/cm3DIN EN ISO 11831.65 (1 mm)
Flammability (UL94)-IEC 60707V0
Water absorption, 24h/23°C%ISO 620,25
Water absorption (3 mm)mgDIN 53495
Dielectric constant-DIN 53483
Dielectric dissipation factor (1 MHz)-ASTM D 150, IEC60 2500,03
Surface resistivityΩIEC61340-5-1
Dielectric dissipation factor (50 Hz)-IEC60 250
Comparative tracking index (CTI)VUL 746A
Dielectric strength, 90°C in oil (parallel)kV/25mmIEC 6024360
Dielectric strength, 90°C in oil (perpendicular)kV/mmIEC 60243
Dielectric strength, in oilkV/mmASTM D 149
Dielectric strength, in airkV/mmASTM D 149
Thermal conductivityW/ (K.m)ISO 83020,2
Chemical resistance at 23ºC: deluted acids-A*
Chemical resistance at 23ºC: strong acids-C*
Chemical resistance at 23ºC: aliphatic hydrocarbons-A*
Chemical resistance at 23ºC: chlorin dissolvents-B- C*
Chemical resistance at 23ºC: alcoholsB*
Chemical resistance at 23ºC: deluted bases-A*
Chemical resistance at 23ºC: strong bases-C*
Chemical resistance at 23ºC: aromatic hydrocarbons-B - C*
Coefficient of linear thermal expansion (CLTE):m/(m.K)x10-5ISO 113591.5
Max. allowable service temperature in airºCIEC 60216110
Thermal class-VDE 0304B
Tensile modulus of elasticityMPaASTM D 638, ISO 17813000
Flexural strenghtMPaASTM D 790
Flexural modulusMPaISO 178
Tensile strengthMPaASTM D 638
Compressive strengthMPaASTM D 695
Tensile strength (parallel)MPaISO 527140
Tensile modulus of elasticity (perpendicular)MPaISO 178
Compressive strength (perpendicular)MPaISO 604
Flexural stress at rupture (perbendicular)MPaISO 178350
Interlaminar resistanceNDIN 53463
Compressive strength (parallel)MPaISO 604
shear strengthMPaASTM D 732
Impact strength, Charpy (parallel)kJ/m2ISO 179
Impact strength, Charpy notched (parallel)kJ/m2ISO 179
Izod impact strength, notchedJ/mASTM D 256
(*) legend:
  • A – applicable
  • B – partially applicable
  • C – not applicable


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Tolerances on thickness: 0; +0.46 Weight: 8.79 kg/fm Size of plate: 1070 x 1170 mm Tolerances on width: +0; +25 Tolerances on length: 0; +3 Availabilty: Stock shape