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BS 2782-8.832A(1991) : 1991 AMD 9463

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 - OTHER PROPERTIES - DETERMINATION OF RESISTANCE TO ENVIRONMENTAL STRESS CRACKING (ESC) BY THE BENT STRIP METHOD

Superseded date

15-05-1997

Published date

23-11-2012

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National foreword
Committees responsible
Method
0 Introduction
1 Scope and field of application
2 References
3 Definitions
4 Principle
5 Apparatus
6 Test specimens
7 Conditioning and testing atmospheres
8 Procedure
9 Expression of results
10 Test report
Table
    Suggested indicative properties and failure criteria
Figures
1 Test specimen P with defined strain in the outer
    surface
2 Example of sandwiched test specimen
3 Graphical evaluation of test results

Describes a method for determining environmental stress cracking (ESC) resistance of sheets and of flat test specimens, especially the sensitivity of their localized surface regions, of plastics from a constant prestrain test which will be indicated by change of a suitably chosen indicative property of specimens that have been prestrained for a definite time in the environment. Suitable for determining ESC caused by gases and liquids as well as by solids containing migrating substances in contact with a specific polymer. Illustrates test specimen P with defined strain in the outer surface, example of sandwiched test specimen and graphical evaluation of test results. AMD 9463 RENUMBERS THIS STANDARD

Committee
PRM/21
DevelopmentNote
Renumbered and superseded by BS EN ISO 4599. Supersedes 85/43802 DC. (10/2005)
DocumentType
Standard
PublisherName
British Standards Institution
Status
Superseded

Standards Relationship
ISO 4599:1986 Identical
BS EN ISO 4599:1997 Identical

BS 7864:1997 Specification for plastics containers for surface coatings
BS EN ISO 6252:1998 Plastics. Determination of environmental stress cracking (ESC). Constant-tensile-stress method
BS EN ISO 4600:1998 Plastics. Determination of environmental stress cracking (ESC). Ball or pin impression method

ISO 294:1995 Plastics Injection moulding of test specimens of thermoplastic materials
ISO 291:2008 Plastics Standard atmospheres for conditioning and testing
ISO 2557-2:1986 Plastics Amorphous thermoplastics Preparation of test specimens with a specified reversion Part 2: Plates
ISO 2557-1:1989 Plastics Amorphous thermoplastics Preparation of test specimens with a specified maximum reversion Part 1: Bars
ISO 179:1993 Plastics Determination of Charpy impact strength
ISO 2818:1994 Plastics — Preparation of test specimens by machining
ISO 178:2010 Plastics Determination of flexural properties
ISO 6252:1992 Plastics Determination of environmental stress cracking (ESC) Constant-tensile-stress method
ISO 4600:1992 Plastics Determination of environmental stress cracking (ESC) Ball or pin impression method

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