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BS 2782-2.240A&B(1982) : LATEST

BS 2782-2.240A&B(1982) : LATEST

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

METHODS OF TESTING PLASTICS - ELECTRICAL PROPERTIES - DETERMINATION OF LOSS TANGENT AND PERMITTIVITY AT POWER AND AUDIO FREQUENCIES

Superseded date

15-03-1994

Published date

23-11-2012

Publisher

British Standards Institution

Foreword
Cooperating organizations
Method
0 Introduction
1 Scope
2 References
3 Definitions
4 Reference to this test method
5 Form of test pieces
6 Number of test pieces
7 Electrodes
8 Apparatus
9 Conditioning
10 Conditions of test
11 Procedure
12 Report
Appendix
A Description of a suitable Schering bridge with
    Wagner earth
Figures
1 Flat test piece with electrodes
2 Tube test piece with electrodes
3 Schering bridge with Wagner earth

Committee
PRM/21
DocumentType
Standard
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

BS 7008-1:1988 Acquisition and presentation of comparable data for basic properties of plastics. Method for single-point data
BS 2572:1990 Specification for phenolic laminated sheet and epoxy cotton fabric laminated sheet
BS 3816:1989 Specification for epoxy resin casting systems used for electrical insulating applications at power frequencies
BS 5139:1991 Method of specifying general purpose polypropylene and propylene copolymer materials for moulding and extrusion
BS 4936:1987 Method of specifying styrene-acrylonitrile (SAN) moulding and extrusion materials
BS 1493:1987 Method of specifying general purpose polystyrene (PS) moulding and extrusion materials
BS 7008-2:1988 Acquisition and presentation of comparable data for basic properties of plastics Method for multipoint data
BS 3454:1984 Specification for 1.9/3.3 kV, 300 A bolted flameproof cable couplers and adaptors (including 380/660 V and 640/1100 V, 300 A adaptors), primarily for use in mines
BS 7019:1989 Specification for fully screened 400 A bolted flameproof cable couplers and adaptors for use on systems up to and including 6.6 kV, primarily for use in mines
BS 3905:1995 Specification for 3.8/6.6 kV, 300 A bolted flameproof cable couplers and adaptors, for use in coal mines.
BS 3454:1995 Specification for 1.9/3.3 kV, 300 A bolted flameproof cable couplers and adaptors (including 380/660 V and 640/1100 V, 300 A adaptors) for use in coal mines
BS 3126:1987 Method of specifying toughened polystyrene (SB) moulding and extrusion materials

BS 2782-0:1982 Methods of testing plastics Introduction
IEC 60250:1969 Recommended methods for the determination of the permittivity and dielectric dissipation factor of electrical insulating materials at power, audio and radio frequencies including metre wavelengths
BS 2782-9 Method 930A:1977 Methods of testing plastics. Sampling and test specimen preparation Preparation of test specimens by machining
BS 2782-9 Method 940B:1981 Methods of testing plastics. Sampling and test specimen preparation Preparation of test specimens of amorphous thermoplastic moulding material with a defined level of shrinkage in the form of rectangular plates by injection moulding
BS 2782-9.920A.C(1977) : 1977 METHODS OF TESTING PLASTICS - SAMPLING AND TEST SPECIMEN PREPARATION - PREPARATION OF GLASS FIBRE REINFORCED, RESIN BONDED, LOW-PRESSURE LAMINATED PLATES OR PANELS FOR TEST PURPOSES
BS 2782-9 Method 940A:1981 Methods of testing plastics. Sampling and test specimen preparation Preparation of test specimens of amorphous thermoplastic moulding material with a defined level of shrinkage in the form of parallelepipedic bars by compression moulding and injection moulding
BS 2782-9 Method 910A:1977 Methods of testing plastics. Sampling and test specimen preparation Injection moulding test specimens of thermoplastic materials
ISO 291:2008 Plastics Standard atmospheres for conditioning and testing
BS 2782-9 Method 902A:1977 Methods of testing plastics. Sampling and test specimen preparation Compression moulding test specimens of thermosetting materials
ISO 471:1995 Rubber Temperatures, humidities and times for conditioning and testing
BS 2782-9 Method 931A:1988 Methods of testing plastics. Sampling and test specimen preparation Preparation and use of multipurpose test specimens

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