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Standard Test Methods for Sampling and Testing Electrical Insulating Board
STANDARD published on 1.10.2009
Designation standards: ASTM D3394-94(2009)
Note: WITHDRAWN
Publication date standards: 1.10.2009
SKU: NS-23514
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
aqueous extract characteristics pH, ash content, compressibility, conditioning, conductivity, degree of polymerization, dielectric strength, dimensions, electrical insulating board density, impulse dielectric strength, moisture content, oil absorption, shrinkage, tensile properties, Aqueous extract characteristics pH, Compressibility, Conductance and conductivity (electrical), Density--apparent (bulk), Dielectric breakdown voltage, Electrical insulating paper/paperboard, Oil absorption
Significance and Use | ||||||||||||||||||||||||||||||||||||||||||||||
Apparent density affects the dielectric and physical characteristics of insulating board and is a factor in the economics of its use in apparatus. This test is useful for specification, design, and quality control purposes. |
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1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||
1.1 These test methods cover the sampling and testing of electrical insulating boards. These boards are porous, usually fibrous sheets used for dielectric and structural purposes in electrical apparatus. 1.2 These test methods are not intended for testing vulcanized fibre or molded laminated sheets. 1.3 These test methods are applicable to board materials having a nominal thickness of at least 0.030 in. (0.76 mm). Note 1—For materials thinner than 0.030 in. (0.76 mm) see Test Methods D202. |
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2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||||||||
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