Published by the American Society for Testing and Materials (ASTM), the ASTM D3638 standard evaluates the low-voltage (up to 600 V) trace resistance or comparative tracking index (CTI) of materials in the presence of aqueous contaminants over a short period of time.
Values stated in metric (SI) units should be accepted as standard. Inch-pound equivalents of metric units are approximate.
This test method is technically equivalent to the version of IEC Publication 2.2 specified in 112. However, the 60112 version of IEC 2007 Fourth Edition gives numerical CTI values that are very likely to differ significantly from this test method.
This standard does not purport to address all, if any, safety concerns associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health and environmental practices and to determine the applicability of regulatory restrictions prior to use.
Testing services are also provided by our organization to enterprises within the framework of laboratory testing services, within the scope of the test standard for the comparative monitoring index of ASTM D3638 electrical insulation materials.
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