FR4FR is for “Flame Retardant”. As a printed circuit board is made to work with electricity, it is supposed to resist heat. FR4 has a much better heat resistance than FR1/XPC thanks to a different com
FR4-1.2MM-4L-ENIG-Security monitoring power supply pcb
FR4-1.6MM-OSP antioxidant-Car Radio PCB
FR4-2.4MM-Multilayer plate-Medically driven pcb
FR4-1.6MM-2L-Lithium battery protection board PCB
FR4-2L-1.6MM-Dehumidifier PCB, Industrial Dehumidifier PCB
FR4-4L-Goldfinger-Four-layer buried hole circuit board
FE4-2L-1.0MM-Charger head circuit board, fast charging head PCB
FR4-1.2MM-LF-HASL-Vehicle Bluetooth circuit board, Bluetooth template PCB
SY-FR4-4L-Medical Device Electronic Circuit Board, Medical Device PCB Board
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