Description:
1.certification ISO9001, MSDS, SGS, RoHS standards 2.Electricalinsulation properties 3.High mechanical propertiesspecifications
FR - 4 epoxy plate is a specialelectronic cloth material such as epoxy phenolic resin by hightemperature and high pressure and hot laminatedproducts.
1.mechanical properties and the dielectricproperties,
2.goodinsulation and heat resistance andmoisture,
3.good mechanicalprocessing.
4.Good resistance to tide sex.
5.certification ISO9001,MSDS, SGS, RoHS standards
Main Characteristics
(1)Stable electrical insulationproperties.
(2)Good flatness, smooth surface,no pits.
(3)High mechanical property anddielectric properties.
(4)Good heat resistance andresistant to moisture resistance.
(5)Good mechanicalworkability.
Universalsize(width×length):1220x1020mm(48"x40");2040x1020mm(80"x40")
Thickness:0.1-150mm
Item | Unit | Value |
FR4 sheet | ||
Density | g/cm3 | 1.7-1.9 |
Flexural strength perpendicular to lamination under normal conditions≥ | MPa | 350 |
Bonding strength (≥10mm in thickness) ≥ | N | 6500 |
Impact strength parallel to lamination (charpy) ≥ | kJ/m2 | 37 |
Voltage endurance perpendicular to lamination in transformer oil 1 minute at90±2oC, Thickness1.0mm ≥ |
kV/mm |
14.2 |
Voltage endurance parallel to lamination under normal conditions ≥ | kV | 45 |
Insulation resistance after impregnated in water≥ | MΩ | 5×104 |
Dissipation factor ≤ 50Hz: 1MHz: | -
|
0.04 0.04 |
Relative dielectric constant ≤ 50Hz: 1MHz: | -
|
5.5 5.5 |
Water absorption rate ≤ | % | 0.25 |
Flammability | - | FV0 |
Applicationarea
Requirements for high performanceelectrical insulation products, such as FPC Stiffener, PCB drillingplate, glass meson, carbon film printing glass fiberboardpotentiometer, precision planetary gears (grinding chips),precision test plates, electrical (electrical ) equipmentinsulation stays partitions, insulation pads, transformerinsulation boards, electrical insulation parts, grinding gears,electronic switch insulation boards.
