Graphite

Sinker / Graphite

Peak Machine Tools carries Poco, Toyo Tanso, and PGM 5 Graphites. Available in blocks, rounds and Machined shapes.

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Product Density Resistivity Hardness Flexural Strength Flexural Strength (Mpa) Avg. Grain Size
EC-12 (ec12) 11 58 510 50 11
EC-14 (ec14) 12.5 62 550 54 7
EC-15 (ec15) 13.5 64 650 64 7
EC-15C (ec15c) 2.3 67 790 77 7
EC-16 (ec16) 16.5 72 670 66 4
EC-17 (ec17) 15.5 78 900 88 2
EC-4 (ec4) 12 56 400 39 13
HK-20 (hk20) 12 60 660 66 6
HK-6 (hk6) 12 68 870 85 3
HK-6C (hk6c) 4.3 74 1274 125 3