FR-4 material, short for glass fiber cloth, is a raw material and base material for circuit boards. It is a code for the flame retardant material grade, which means that the resin material must be able to self-extinguish after burning. Material specifications. Most commonly used in PCB (printed circuit boards), general single-sided, double-sided and multi-layer PCB circuit boards are made of this! Due to its high strength and flame retardancy, most circuit boards will choose FR-4 as the base material.
Name: | 2-layer FR4 PCB |
Number of layers: | 2 |
Material: | FR4 |
Finished board thickness: | 1. 6mm |
Finished copper thickness: | ENIG |
Finished copper thickness: | 1/1 ounce inside and outside |