
BS 5734-4:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by

Polyester moulding compounds for electrical and other purposes Specification for sheet moulding compounds for electrical purposes
Hardcopy , PDF
English
31-10-1990
25-05-2005
Committees responsible
Foreword
Specification
1 Scope
2 Definitions
3 Classification
4 Composition
5 Preparation of test specimens
6 Conditioning of test specimens before testing
7 Properties
8 Mass per unit area and mass distribution
9 Glass content
10 Storage life
11 Marking
Appendices
A Test methods for additional properties that are
subject to purchaser/supplier agreement
B Determination of water absorption
C Determination of resistance to tracking: simplified
proof test for quality control purposes
D Determination of flexural strength at elevated
temperature
Tables
1 Properties
2 Test methods for additional properties that are
subject to purchaser/supplier agreement
Describes thermosetting polyester sheet moulding compounds classified according to their electrical and mechanical properties and further distinguished by their oxygen index. Compounds whose fibrous reinforcement includes materials other than E-glass are excluded.
Committee |
PRI/42
|
DocumentType |
Standard
|
Pages |
10
|
PublisherName |
British Standards Institution
|
Status |
Superseded
|
SupersededBy | |
Supersedes |
IEC 60112:2003+AMD1:2009 CSV | Method for the determination of the proof and the comparative tracking indices of solid insulating materials |
BS 2782-3:Methods 320A to 320F:1976 | Methods of testing plastics. Mechanical properties Tensile strength, elongation and elastic modulus |
BS 5734-1:1990 | Polyester moulding compounds for electrical and other purposes Methods of test |
IEC 60243:1967 | Recommended methods of test for electric strength of solid insulating materials at power frequencies |
IEC 60167:1964 | Methods of test for the determination of the insulation resistance of solid insulating materials |
BS 2782-2.232(1983) : LATEST | METHODS OF TESTING PLASTICS - ELECTRICAL PROPERTIES - DETERMINATION OF INSULATION RESISTANCE |
BS 2782-2.220&221(1983) : LATEST | METHODS OF TESTING PLASTICS - ELECTRICAL PROPERTIES - DETERMINATION OF ELECTRICAL STRENGTH: RAPIDLY APPLIED VOLTAGE METHOD AND STEP-BY-STEP METHOD |
ISO 62:2008 | Plastics — Determination of water absorption |
BS 2782-9 Method 902A:1977 | Methods of testing plastics. Sampling and test specimen preparation Compression moulding test specimens of thermosetting materials |
BS 2782-3 Method 335A:1978 | Methods of testing plastics. Mechanical properties Determination of flexural properties of rigid plastics |
ISO 179:1993 | Plastics — Determination of Charpy impact strength |
ISO 178:2010 | Plastics — Determination of flexural properties |
BS 2782-4.430A.D(1983) : 1983 | METHODS OF TESTING PLASTICS - CHEMICAL PROPERTIES - DETERMINATION OF WATER AND BOILING WATER ABSORPTION AT 23 DEGREES C. DETERMINATION OF WATER AND BOILING WATER WITH ALLOWANCE OF WATER-SOLUBLE MATTER |
BS 2782-6:Method 640A:1979 | Methods of testing plastics. Dimensional properties Determination of shrinkage of test specimens in the form of bars of compression moulded thermosetting moulding materials |
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