Introducation of product
3240Epoxy phenolic glass cloth laminated sheets are made of alkali-free E-glass cloth impregnated with epoxy phenolic resins
by processing under heat and pressure.
Specification:
1) Thickness: 0.2-120mm
2) Width: 980X1980mm, 1020X2020mm, 1220X2470mm
3) Machined parts are avaiable.
Features of product:
3240 Epoxy phenolic glass cloth laminated sheet has mechanical and dielectric properties,
good heat resistance and moisture resistance, and good machinability, heat-resistant grade of B grade.
Tested Item |
Unit |
standard |
3240 |
3240A |
Vertical layer to bending strength |
Mpa |
340 |
340 |
Apparent bounding elasticity mold |
Mpa |
24000 |
24000 |
Vertical to the compression strength layer |
Mpa |
350 |
350 |
Parallel layers to impact strength |
kJ/^2 |
33 |
33 |
Tensile strength |
Mpa |
300 |
300 |
Vertical layer to electrical strength "0.5 mm, (90 ±2 (in ºC oil) |
MV/M |
16 |
16 |
After immersion insulation resistance |
∏ |
5.0x10 8 |
1.0x10 8 |
Mechanism of 1mhz below loss factor |
----- |
0.04 |
0.04 |
density |
Kv |
1.8-20 |
1.8-2.0 |
To breakdown voltage parallel layers in 90 ± 2 (ºC oil) |
kv |
30 |
30 |
Water imbibition (1mm) |
mg |
18 |
18 |