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ASTM C657-19

ASTM C657-19

Standard Test Method for D-C Volume Resistivity of Glass

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1.1 ,This test method covers the determination of the dc volume resistivity of a smooth, preferably polished, glass by measuring the resistance to passage of a small amount of direct current through the glass at a voltage high enough to assure adequate sensitivity. This current must be measured under steady-state conditions that is neither a charging current nor a space-charge, buildup polarization current.

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