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High Performance Graphite Grades for EDM

POCO set the industry standard for electrode performance with EDM-3, the most widely used graphite for production of plastic injection cavities. Known for consistency from block to block and year to year, electrodes made from EDM-3 excel in difficult and precision applications while providing predictable results. Benchmarked performance characteristics include a good balance of metal removal rates, low electrode wear, and fine surface finishes. These same qualities have been incorporated into each grade of graphite developed for the EDM industry.



EDM Technical Manual

POCO's legendary technical manual is now available online.

Graphite Material Grades

Each POCO grade of EDM graphite has been tailored for a specific range of applications with benchmarked performance characteristics.

Technical Support

Worldwide applications support for materials.


EDM Training Program is offered at locations around the world.