FR4 Epoxy Glass Cloth Laminated Sheets are a kind of rigid laminated product which made of electrical alkali-free E-glass cloth impregnated with epoxy resins by being processed under heat and pressur. It has fire-resistance property with V-0 Class.
Thermal Grade: F-Class (150℃)
Application: This product has higher mechanical property, water and heat resistance, stable dielectric property after soaking. It is used as insulating structural parts for electric machine and apparatus equipments.
Thickness:1mm--100mm
Size:1020mm*1220mm
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Item
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Unit
|
Value
|
|
Bending Strength
|
MPa
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≥450
|
|
Temperature index
|
℃
|
155
|
|
Vertical Electrical Strength
(Under in 90±2℃ transfomer oil with 1mm)
|
KV/mm
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≥55
|
|
Vertical Impact Strength
|
KJ/㎡
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≥55
|
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Dielectric strength perpendicular to laminate (Under in 90±2℃ transfomer oil with 1mm)
|
KV/mm
|
≥10
|
|
Breakdown Voltage
|
KV
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≥80
|
|
Density
|
g/cm3
|
1.7-1.9
|
|
Water Absorption After Soaking
|
%
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≤0.09
|
|
IEC Standard
|
EPGC202
|
| 
