Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM D748-00(2005)e1

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

Standard Specification for Natural Block Mica and Mica Films Suitable for Use in Fixed Mica-Dielectric Capacitors D0748-00R05E01 ASTM|D0748-00R05E01|en-US Standard Specification for Natural Block Mica and Mica Films Suitable for Use in Fixed Mica-Dielectric Capacitors Standard new BOS Vol. 10.01 Committee D09
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Abstract

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.

Scope

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.

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Details
Book of Standards Volume: 10.01
Developed by Subcommittee: D09.19
Pages: 9
DOI: 10.1520/D0748-00R05E01
ICS Code: 29.035.50