EPOXY GLASS SHEET

BLACK BOARD. thickness: 0.3-20mm size:1020*1220mm

FR4 Glass Epoxy Sheet with high mechanical strength and has good electric strength properties.

1.FR4 Glass Epoxy Sheet.

2. FR4 Glass Epoxy Sheet are made of alkali-free E-glass cloth impregnated with epoxy resins by processing under heat and pressure.

3. 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.FR4 Epoxy glass cloth laminated board with dimensional stability,outstanding Insulating properties,moisture resistant,and tremendous electrical properties.

4. FR4 Glass Epoxy Sheet is mainly used in mechanical, electrical, electronics and other fields.

5.The size of 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
		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

EPOXY GLASS SHEET