PEI is a CNC-machined, high-temperature resistant, transparent and golden yellow material. It is characterised by excellent stability of physical and mechanical properties at elevated temperatures due to the high glass transition temperature of 217 °C. It is also one of the most dimensionally stable thermoplastics on the market. Thanks to its excellent rigidity and strength up to 170 °C, it offers exceptional form stability.


CNC Machining






PEI + GF30%


Proto&Go! puts at your disposal all its technology to obtain CNC machining in PEI.

Thanks to the specific software developed by Proto&Go! Now you can request your PEI machining offers easily using our online form and receive them anywhere in the world via express delivery.

Our CNC machining technology accommodates both simple PEI prototypes, common in the industry, and 3D prototyping of complex surfaces, thus offering a real alternative to 3D printing or sintering.

Select PEI from our more than 100 available materials, both plastic and metal, upload your 3D files and in less than 24 hours you will receive your online quote where you will be informed of the expected delivery time.

Do not hesitate to request an offer without obligation and benefit from a technology currently only available to large companies at prices within the reach of any user.

Thank you for trusting Proto&Go! machining services! to obtain your prototypes and unique pieces in PEI.