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ASTM D748-00(2005)e1

Historical Revision

Standard Specification for Natural Block Mica and Mica Films Suitable for Use in Fixed Mica-Dielectric Capacitors

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1.1 This specification covers natural block mica and mica films (cut and uncut) suitable for use in the manufacture of fixed mica-dielectric capacitors, based on electrical, visual, and physical properties as determined by tests specified herein.

1.2 The values stated in inch-pound units are to be regarded as the standard.


This specification covers the electrical, visual, and physical properties of natural blocks and films made from mica that are suitable for use in fixed mica-dielectric capacitors. The materials under this specification are of three forms and four classes. Samples should be taken and tested according to the test methods prescribed here. All samples should adhere to the specified values of conducting path, Q value, dielectric constant, weight loss on heating, thickness uniformity, temperature coefficient of capacitance and retrace, and amount of air inclusions, waves, cracks, tears, pin holes, stones, buckles, and ridges.


SDO ASTM: ASTM International
Document Number D748
Publication Date Sept. 10, 2000
Language en - English
Page Count 9
Revision Level 00(2005)e1
Supercedes
Committee D09.19
Publish Date Document Id Type View
March 15, 2018 D0748-18 Revision
Nov. 1, 2014 D0748-14 Revision
Sept. 10, 2000 D0748-00R05E01 Revision
Sept. 10, 2000 D0748-00 Revision
April 1, 2011 D0748-00R11 Reaffirmation
Sept. 10, 2000 D0748-00R05 Reaffirmation