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BS 5734-5:1990

Current

Current

The latest, up-to-date edition.

Polyester moulding compounds for electrical and other purposes Specification for sheet moulding compounds for mechanical purposes

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-10-1990

Committees responsible
Foreword
Specification
1 Scope
2 Definitions
3 Classification
4 Composition
5 Preparation of test pieces
6 Conditioning of test pieces before testing
7 Properties
8 Mass per unit area and mass distribution
9 Glass content
10 Storage life
11 Marking
Appendix
A Test methods for additional properties that are
    subject to purchaser/supplier agreement
Tables
1 Properties
2 Test methods for additional properties that are
    subject to purchaser/supplier agreement

Gives the requirements for compounds when evaluated by the methods given in Part 1.

This Part of BS 5734 specifies thermosetting polyester sheet moulding compounds which are classified according to their mechanical properties and may be further distinguished by their oxygen index.

NOTE 1 Appendix A lists further properties and appropriate test methods that may be specified by agreement between the purchaser and the supplier.

NOTE 2 The titles of the publications referred to in this standard are listed on the inside back cover.

Committee
PRI/42
DevelopmentNote
Supersedes 88/40658 DC and BS 5734-5(1980). (08/2005) Reviewed and confirmed by BSI, December 2011. (11/2011)
DocumentType
Standard
Pages
10
PublisherName
British Standards Institution
Status
Current
Supersedes

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
BS 2782-9 Method 902A:1977 Methods of testing plastics. Sampling and test specimen preparation Compression moulding test specimens of thermosetting materials
ISO 179:1993 Plastics Determination of Charpy impact strength
ISO 178:2010 Plastics Determination of flexural properties
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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