Factory Fr-4 Epoxy Laminated Plates Fiberglass Sheet Fr4

Factory Fr-4 Epoxy Laminated Plates Fiberglass Sheet Fr4

Fr4 Epoxy Glass Cloth Laminate Sheet

Description:
FR4 Epoxy Glass Fabric Laminated Sheet, a versatile, all around insulating material, it’s
created from alkali-free glass cloth that has been impregnated with an epoxy resin under
heat and pressure process, which meets UL-94 requirement

 
Characteristics:
Better insulating properties than Fish Paper (Vulcanized Fiber)
Excellent Strength properties
Anti-Fire properties
Retains 50% flexural strength at 150’C
Performs special well in humid environments
 

Apps:
Sensitive electronic equipment
Circuit Board manufacturing
Relays and Switches
Communication systems
Mechanical and appliances lines

Technician Data  

Test Item Test Condition Unit SPEC Typical Value
Tg DSC °C ≥125 135
Flammability E-24/a hundred twenty five ____ UL94V- V-
Volume Resistivity C-ninety six/35/90 MΩ.cm ≥106 2.0×108
Surface Resistivity C-ninety six/35/ninety ≥104 two.0×106
Arc Resistivity D-forty eight/fifty+D-.five/23 S ≥60 a hundred thirty five
Dielectric Breakdown D-forty eight/fifty+D-.five/23 KV ≥40 sixty
Dielectric Constant(1MHz) 1MHz
C-24/23/50
____ ≤5.4 four.6
Dissipation Factor(1MHz) 1MHz
C-24/23/50
____ .035 .0117
Thermal Stress Unetched 288°C,10S ____ No Delamination No Delamination
etched
Flexural Strength LW N/mm2 ≥415 five hundred
CW ≥315 450
Absorption D-24/23 % ≤0.eight .fifteen
 CTI IEC60112 Method V a hundred seventy five~250(Grade 3) 210

 
 

Factory Fr-4 Epoxy Laminated Plates Fiberglass Sheet Fr4

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