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ASTM International, 11/01/2016
Publisher: ASTM
File Format: PDF
$32.00$64.00
Published:01/11/2016
Pages:10
File Size:1 file , 180 KB
Note:This product is unavailable in Russia, Ukraine, Belarus
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.
1.4 The test methods appear in the following sections:
Sections
ASTM Method Reference
Apparent Density
18 - 23
Aqueous Extract Characteristics
36 - 42
D202
Ash Content
43 - 46
T 413
Compatibility with Dielectric Liquids
47 - 52
D664, D877, D924, D971, D974, D1169, D1500, D1816, D3455, D3487
Compressibility
79 - 85
Conditioning
11
D685
Degree of Polymerization
86 - 89
D4243
Dielectric Strength in Air
53 - 59
D149
Dielectric Strength in Oil
60 - 65
D149, D2413, D3426
Dimensions of Sheets
12 - 17
Moisture Content
31 - 35
D644
Oil Absorption
72 - 78
Reports
10
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