Jovan StosicI’m going to purchase some Kinsten presensitised PCBs for making my own PCBs (UV photoresist method), and they come in two varieties; normal fibreglass (FR-4), and another material called ‘paper phenolic’ (FR-2).
I’ve never used FR-2 for PCB designs before, but looking on Wikipedia’s page for it, it states that FR-2 is a bit less mechanically robust:
Electronics Forum -> Fr-2 Vs Fr-4 Pcb Material was last modified: July 13th, 2017 by