ASTM D748-18

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

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STANDARD published on 15.3.2018


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The information about the standard:

Designation standards: ASTM D748-18
Publication date standards: 15.3.2018
SKU: NS-810349
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: American technical standard
Category: Technical standards ASTM

The category - similar standards:

Mica based materials

Annotation of standard text ASTM D748-18 :

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.


Keywords:
block mica, capacitor, classes, dielectric strength, electrical conductivity, form, grades, mica, mica films, Q value, visual quality, weight loss,, ICS Number Code 29.035.50 (Mica based insulating materials)



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