Chipsco Precision Services is a distributor of a high quality American Made Graphite used for EDM electrodes. Proven to perform equal to or better than POCO, at a more competitive price. Ships same day for most sizes.

We can supply EDM graphite in rounds and blocks. Send us your sizes and specifications for quotations.

Typical Physical Properties - EDM Graphite

Properties E-970 E-950C E-940 E-900 E-888
Average Particle Size (µ) <4 7 <7 <8 14
Flexural Strength (psi) 13,600 12,000 11,500 10,000 7,500
Apparent Density (g/cc) 1.85 2.76 1.8 1.78 1.69
Hardness (Shore) 76 65 72 70 63
Electrical Resistivity (µΩin) 520 84 600 600 650