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Rulon Bearings

Poco Graphite EDM-4 EDM Graphite
Categories: Carbon; Graphite

Material Notes: POCO's EDM-4 is our premier offering in the Ultrafine classification. This highly isotropic grade combines strength with moderate hardness, yielding superior electrode fabrication characteristics. The consistency of EDM-4 also makes it an excellent material for wire cutting intricate electrodes.

Applications:
EDMing of fine detailed electrodes
Punch & die sets
Plastic injection molds
Threading electrodes
Use in aerospaces metal cutting

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Physical PropertiesMetricEnglishComments
Particle Size <= 4.0 µm<= 4.0 µm
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 7676
Flexural Strength 121 MPa17500 psi
Compressive Strength 148 MPa21500 psi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.00127 ohm-cm0.00127 ohm-cm

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