# Why FR4 Material is Commonly used in PCB Fabrication?

**URL:** <https://sierraconnect.protoexpress.com/t/why-fr4-material-is-commonly-used-in-pcb-fabrication/164>\
**Category:** Choosing materials\
**Tags:** fr4\
**Created:** [September 28, 2023, 6:39pm UTC](https://sierraconnect.protoexpress.com/t/why-fr4-material-is-commonly-used-in-pcb-fabrication/164 "2023-09-28T18:39:33Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![lucy.sierracircuits](https://sea2.discourse-cdn.com/sierraconnect/user_avatar/sierraconnect.protoexpress.com/lucy.sierracircuits/32/8_2.png) [@lucy.sierracircuits](https://sierraconnect.protoexpress.com/u/lucy.sierracircuits)\
**Post date:** [September 28, 2023, 6:39pm UTC](https://sierraconnect.protoexpress.com/t/why-fr4-material-is-commonly-used-in-pcb-fabrication/164/1 "2023-09-28T18:39:33Z")

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Originally published at: [https://www.protoexpress.com/blog/why-fr4-material-in-pcb-fabrication/](https://www.protoexpress.com/blog/why-fr4-material-in-pcb-fabrication/)  
   
FR4 is the most common grade dielectric material that is used in the fabrication of circuit boards. This material is incorporated in single-sided, double-sided, and multi-layered boards.