Plastic Gears are the Future

https://www.machinedesign.com/materials/plastic-gears-are-future

Acetal and nylon. Carbon fiber reinforced or glass fiber reinforced.

Sourcing

• Acetal regrind - 33 cents/lb - [1]
• Thermoplastic vulcanizates are 10 cents/lb [2]

Pellets

1. Pellets are available. [3]

Links

• Thermoplastic Elastomers