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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.


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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.