FR5

G11 FR5 high TG TD epoxy fiberglass laminated plate is widely used as insulation structural parts and PCB testing in motors and electrical equipment. It is also used in humid ambient conditions and transformer oil.

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Description of FR5 

FR5 high TG TD epoxy laminate is a plate-shaped laminate that made of special electronic cloth impregnated with epoxy phenolic resin and other materials under high temperature and pressure. It has high mechanical and dielectric properties, good insulation properties, heat resistance, moisture resistance and good machinability. It is widely used as insulation structural parts and PCB testing in motors and electrical equipment. It also use in humid ambient conditions and transformer oil.

Parameter of FR5 

Test item Environment Unit Specification Value
Thermal stress 288°C,10S/dip soldering ____ >10 60S/ no layer 
Dielectric constant (1MHZ) 1MHz C-24/23/50 ____ ≤5.4 4.1
inflammability E24/125 ____ UL94 V-0 V-0
Dielectric breakdown D-48/50+D-0.5/23 KV ≥40 75
Water absorption D-24/23 % ≤0.8 0.21
Surface resistivity After absorbing water  ≥1. 0×104 2.3×106
Volume resisvity After absorbing water MΩ.cm  ≥1.0×106 2.0×108
Arc elasticity D-48/50+D-0.5/23 S ≥60 135
Vertical bending strength   MPa ≥340 678
CTI IEC60112 V 175~250 300
TG   ≥125 126

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