FR-4 Epoxy Board
FR-4 epoxy board
FOB price: US $6.3 (3mm-50mm) or negotiate
MOQ: 1000 kilogram
Port: Shanghai
Payment term: L/C,Website:, T/T
Packing: packed with pallet
Delivery detail: 1 month
Sample: available
Supply ability: 300 ton/month
1. Description of FR-4 epoxy board
Type
Insulation sheet
Material
Brominated epoxy resin and E-glass cloth
Color
Yellow，Black or Natural
Thickness
0.1 mm-100 mm
Density
1.7-1.9 g/cm3
Tensile Strength
340MPa
Temperature
140°C
Size
1020X1220mm, 1220mmX2440mm
Environmental Standards
ROHS
2. Applications of FR-4 epoxy board
The planetary gear, FPC reinforcing sheet, High-voltage switch gear/ transformer, The field of electronic insulation
3. Properties of FR-4 epoxy board
Property
Unit
Flexural strength perpendicular to laminations
≥
MPa
340
Impact Strength parallel to laminations (Charpy)
≥
kJ/m2
33
Insulation Resistance after immersion in water
≥
W
5.0×108
Dielectric strength perpendicular to laminations (in 90±2°C transformer oil,3 mm in thickness)
≥
kV/mm
14.2
Breakdown voltage parallel to laminations （in 90±2°C transformer oil)
≥
kV
35
Permittivity
≤
—
5.5
Dissipation factor
≤
—
0.04
Water absorption
(1.66 mm in thickness)
≤
mg
19
Density
g/cm3
(1.7-1.9)
Flammability
Class
FV0
Color
Yellow，Black or Natural
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