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ASTM D295-99(2004)
Standard Test Methods for Varnished Cotton Fabrics Used for Electrical Insulation (Withdrawn 2009)
Automatische name übersetzung:
Standard-Prüfverfahren für Lackierte Baumwollstoffe verwendet für Electrical Insulation (Withdrawn 2009)
NORM herausgegeben am 10.10.1999
Informationen über die Norm:
Bezeichnung normen: ASTM D295-99(2004)
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 10.10.1999
SKU: NS-22061
Zahl der Seiten: 11
Gewicht ca.: 33 g (0.07 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Die Annotation des Normtextes ASTM D295-99(2004) :
Keywords:
breaking strength, dielectric breakdown voltage, dissipation factor, permittivity, tear resistance (internal), thread count, varnished cotton fabric, volume resistance
Ergänzende Informationen
| 1. Scope | ||||||||||||||||||
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1.1 These test methods cover procedures for the testing of varnished cotton fabrics and varnished cotton fabric tapes (Note 1) to be used as electrical insulation and are directly applicable to both "straight-cut" and "bias-cut" materials, unless otherwise stated in the test method. Note 1-Methods of testing varnished glass fabrics and tapes are given in Test Methods D902.1.2 The procedures appear in the following order: ASTM Test Procedures Sections Methods Breaking Strength 20 to 27 ... Conditioning 4 ... Dielectric Breakdown Voltage 44 to 47 D 149 Dielectric Breakdown Voltage Under Elongation 48 to 54 D 149 Dissipation Factor and Permittivity 55 to 61 D 150 Elongation 35 to 43 ... Resistance to Oil 69 to 75 D 92 Selection of Test Specimens 3 ... Tear Resistance 28 to 34 D 689 Thickness 5 to 9 D 374 Thread Count 15 to 19 ... Volume Resistance 62 to 68 D 257 Weight 10 to 14 ...1.3 The values stated in inch-pound units are to be regarded as the standard. The metric equivalents of inch-pound units may be approximate. 1.4 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. For specific precautionary statements, see 45.4, 52.1, 59.1, and 66.1. |
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