1.Micarta FR4 Glass/Epoxy Sheet.
2. Micarta FR4 Glass/Epoxy Sheet are made of alkali-free E-glass cloth impregnated with epoxy resins by processing under heat and pressure.
3. Micarta FR4 Glass/Epoxy Sheet exhibits extremely high mechanical strength(flexural,impact,and bonding) at room temperature and has good dielectric loss and electric strength properties under both dry and humid conditions.Micarta FR4 Glass/Epoxy Sheet with dimensional stability,outstanding Insulating properties,moisture resistant,and tremendous electrical properties.
4. Micarta FR4 Glass/Epoxy Sheet is mainly used in mechanical, electrical, electronics and other fields.
5.The size of Micarta FR4 Glass/Epoxy Sheet:
Area:1220x920mm(48"x36");1220x1020mm(48"x40");2040x1020mm(80"x40");2440x1220mm(96"x48")
Thickness:0.1-50mm(0.0039-1.96")
6.The company passed ISO9001 quality system.
|
Item
|
Unit
|
Value
|
|
Micarta FR4 Glass/Epoxy 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 at 90±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
|
