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BS 2782-1:Method 140C:1993

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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. Thermal properties Determination of the combustibility of specimens using a 125 mm flame source
Available format(s)

Hardcopy , PDF

Superseded date

09-15-1999

Language(s)

English

Published date

06-15-1993

National foreword
Committees responsible
Method
1 Scope
2 Normative references
3 Definitions
4 Significance of test
5 Principle
6 Apparatus and materials
7 Specimens
8 Conditioning
9 Test procedures for bars
10 Test procedures for plates
11 Precision
12 Test report
Annexes
A (normative) Procedure for calibration of a 125 mm
     test flame
B (informative) Classification system for determining
     the combustibility of specimens using a 500 W
     ignition source
Tables
1 Gas sources
2 Precision data on the afterflame time after the
     fifth flame application
3 Precision data on the afterflame time or afterglow
     time after the fifth flame application
A.1 Gas sources
B.1 Criteria and categories for classifying burning
     behaviour
Figures
1 Test assembly for bars
2 Burner supply arrangement
3 Test assembly for plates
A.1 Thermal sensor
A.2 Arrangement to check the temperature of the flame
A.3 Burner supply arrangement
National annex
NA (informative) Details of laboratory burner
     (ignition source P/PF2)

Specifies a small scale laboratory screening procedure for comparing the relative burning behaviour of small specimens of plastics and also their resistance to burn through when exposed to an ignition source of medium energy level (500 W flame). Coverage includes definitions, specimens and precision. Also includes annexes, tables and diagrams.

Committee
PRI/21
DevelopmentNote
BS DRAFT FOR COMMENT 90/40777 DC
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

Standards Relationship
ISO 10351:1992 Identical

ISO 293:2004 Plastics — Compression moulding of test specimens of thermoplastic materials
ISO 845:2006 Cellular plastics and rubbers — Determination of apparent density
ISO 295:2004 Plastics — Compression moulding of test specimens of thermosetting materials
ISO 294:1995 Plastics Injection moulding of test specimens of thermoplastic materials
ISO 1210:1992 Plastics — Determination of the burning behaviour of horizontal and vertical specimens in contact with a small-flame ignition source
ISO 291:2008 Plastics Standard atmospheres for conditioning and testing
ISO 5725:1986 Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests

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