Model No.: PR-FR4-1
This product is a kind of laminated board formed through heat pressing after the electric industry fiolax cloth dips into epoxy resin. It is suitable as the mechanical, electric and electronic insulation structural components which are used under room and middle temperatures with a certain mechanical performance and electric performance requirement.
-Excellent mechnical strength
-Good insulation function
-High temperature resistant
-Good ablity against acid ,alkali and solvent
-Hard and durable
-Good adhesive properties in the surface
Technical Data Sheet
|Technical Data||Method of Verification||Unit||3240|
|Water absorption 24hrs||ISO 62||%||0.05~0.15|
|Max. service temperature -Short term||ISO 75-2||ºC||/|
|Max. service temperature - Long term||ISO 75-2||ºC||130~140|
|Coefficient of Thermal Expansion-LW||ISO 11359||m/K||/|
|Coefficient of Thermal Expansion-CW||ISO 11359||m/K||/|
|Thermal Conductivity||ISO 11359||W/(m·K)||2.2~2.5|
|Tensile strength at yield||ISO 527-2||MPa||≥220|
|Tensile strength at break||ISO 527-2||Mpa||/|
|Hardness Rockwell||DIN 53505||120-125|
|Izod impact strength||ISO 179||kJ/m2||≥33|
|Bending Strength||ISO 527-2||Mpa||/|
|Flexural strength-LW||ISO 179||Mpa||≥314|
|Flexural strength-CW||ISO 179||Mpa||≥216|
|Adhesive Strength||ISO 179||N||5600|
|Compression strength-LW||ISO 179||Mpa||≥350|
|Compression strength-CW||ISO 179||Mpa||≥147|
|Volume resistively||IEC 60093||Ohm (Ω) * cm||/|
|Surface resisively||IEC 60093||Ohm (Ω)||10^6~10^9|
|Electric strength- LW||VDE 0303||kV/mm||≥14.2|
|Breakdown Voltage-CW||VDE 0303||kV||>34|
|Relative dielectric coefficient||VDE 0303||/||≤4.7|
|Dielectric Loss mudule||VDE 0303||50HZ||≤0.04|
|Arc resistance||VDE 0303||S||/|
|NOTE: 1 g/cm3 = 1,000 kg/m3, 1 Mpa = 1 N/mm2, 1kV/mm = 1 MV/m|
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