G10 / FR4
⬡ Chemical Resistant
Overview
Fiberglass-reinforced epoxy laminate used in electronics and structural applications. Highly durable but requires proper PPE when machining due to hazardous fiberglass dust.
Properties
Difficulty
intermediate
Pros
- Excellent electrical insulation, very strong, dimensionally stable, moisture resistant
Cons
- Fiberglass dust hazardous — requires proper dust collection and respirator, dulls tools quickly
Best For
- PCB substrates
- electrical insulators
- structural panels in electronics
Avoid For
- Without dust extraction — fiberglass particles are a serious health hazard
Brands
McMaster-CarrPCB manufacturers