Product:G-10/FR-4 sheet

G-10/FR-4 sheet 
G-10/FR-4 sheet

Product parameters£º

Product parameters£º

FR4/G10 sheet is made of alkali-free E-glass cloth impregnated with epoxy resins by processing under heat and pressure.

It is a thermosetting industrial laminate consisting of continous filament glass cloth with an epoxy resin binder.

Grade FR-4/G10 laminates sheet is with high mechanical strength at room temperature, good electrical properties under dry and humidity conditions. It is flame retardant.


Application : in electrical motor ,insulation mounting of electrical apparatus.working in high humidity and transformer oil.

No.

Item

Units

value

1

Applicable Standards

¡ª

G10

FR-4

2

Density

g/cm3

1.80¡«1.90

1.80¡«1.90

3

Bending strength perpendicular to laminations

MPa

340

340

4

Impact strength parallel to laminations( Charpy)

kJ/m2

33

33

5

Insulation resistance after impregnated in water

¦¸

5¡Á1010

5¡Á1010

6

Relative permittivity 48¡«62Hz

¡ª

7

Voltage endurance parallel to lamination (in oil 90¡À2¡æ)

kV

35

35

8

Voltage endurance perpendicular to lamination (in oil 90¡À2¡æ)
¡¡¡¡
Thickness 0.5mm
¡¡¡¡
Thickness 1mm
¡¡¡¡
Thickness 2mm
¡¡¡¡Thickness 3mm

kV/mm



16.1
14.2
11.8
10.2



16.1
14.2
11.8
10.2

9

Water absorption
¡¡¡¡
Thickness 0.5mm
¡¡¡¡
Thickness 1.0mm
¡¡¡¡
Thickness 2.0mm
¡¡¡¡
Thickness 5.0mm
¡¡¡¡Thickness 10.0mm

mg


17
18
20
25
34


17
18
20
25
34

10

Flame resistance

¡ª

¡ª

V0

11

Temperature index

¡æ

155

155


 



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