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ASTM International - ASTM D3638-07

Standard Test Method for Comparative Tracking Index of Electrical Insulating Materials

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Organization: ASTM International
Publication Date: 1 June 2007
Status: inactive
Page Count: 5
ICS Code (Insulating materials in general): 29.035.01
significance And Use:

Electrical equipment can fail as a result of electrical tracking of insulating material that is exposed to various contaminating environments and surface conditions. There are a number of ASTM and... View More

scope:

1.1 This test method evaluates in a short period of time the low-voltage (up to 600 V) track resistance or comparative tracking index (CTI) of materials in the presence of aqueous contaminants.

1.2 The values stated in metric (SI) units are to be regarded as standard. The inch-pound equivalents of the metric units are approximate.

1.3 This standard is technically equivalent to the version of IEC Publication 112 cited in . However, the 2007 version of IEC 60112 Fourth Edition yields numerical CTI values that are very likely to differ significantly from this standard.

This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Document History

January 1, 2021
Standard Test Method for Comparative Tracking Index of Electrical Insulating Materials
5.1 Electrical equipment can fail as a result of electrical tracking of insulating material that is exposed to various contaminating environments and surface conditions. This method is an accelerated...
January 1, 2012
Standard Test Method for Comparative Tracking Index of Electrical Insulating Materials
Electrical equipment can fail as a result of electrical tracking of insulating material that is exposed to various contaminating environments and surface conditions. There are a number of ASTM and...
ASTM D3638-07
June 1, 2007
Standard Test Method for Comparative Tracking Index of Electrical Insulating Materials
Electrical equipment can fail as a result of electrical tracking of insulating material that is exposed to various contaminating environments and surface conditions. There are a number of ASTM and...
May 10, 1998
Standard Test Method for Comparative Tracking Index of Electrical Insulating Materials
1.1 This test method evaluates in a short period of time the low-voltage (up to 600 V) track resistance or comparative tracking index (CTI) of materials in the presence of aqueous contaminants. 1.2...
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