it is high mechanical strength, humidity resistance ect and widely used as insulation parts of electrical equipments
3420 Epoxy phenolic glass cloth laminated sheet is made of alkali-free E-glass cloth impregnated with epoxy resins and phenolic resins by processing under heat and pressure.This product having high mechanical and dielectric properties,fine heat and humidity resistance,can be used in electrical machine and devices as insulating construction parts in moist cirecumstances and in transformer oil.
main parameter as bellow
Item | unit
| type | |
3240 | 3240C | ||
Verticality Flexural strength ≥ (normal condition) | Mpa | 340 | 340 |
Verticality compressio strength≥ | Mpa | 350 | 350 |
parallel impact strength ≥ | KJ/m2 | 33 | 33 |
Parallel shear strength ≥ | Mpa | 30 | 30 |
Tensile strength ≥ | Mpa | 240 | 240 |
Verticality electrical strength(90±2in oil),plate thickness:1mm | MV/m | 14.2 | 14.2 |
Parallel to punch through voltage(90±2in oil) | KV | 35 | 30 |
Comparative dielectric constant(50Hz)≤ |
| 5.5 |
|
Dieletric loss factor(50Hz) |
| 0.04 |
|
density | g/cm3 | 1.7-1.9 | 1.7-1.9 |
color |
| natural | natural |
size | mm | 1020x2020 | 1020x2020 |
