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BS EN ISO 844:2021

BS EN ISO 844:2021

$102.76

Rigid cellular plastics. Determination of compression properties

Published By Publication Date Number of Pages
BSI 2021 22
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This document specifies methods for determining the compressive strength and corresponding relative deformation, the compressive stress at 10 % relative deformation, and the compressive modulus of rigid cellular plastics.

PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Symbols
9 5 Principle
6 Apparatus
6.1 Compression-testing machine
6.2 Devices for measuring displacement and force
6.2.1 Measurement of displacement
10 6.2.2 Measurement of force
6.2.3 Calibration
6.3 Instruments for measuring the dimensions of the test specimens
7 Test specimens
7.1 Dimensions
11 7.2 Preparation
7.3 Number
7.4 Conditioning
8 Procedure
12 9 Expression of results
9.1 General
13 9.2 Compressive strength and corresponding relative deformation
9.2.1 Compressive strength
9.2.2 Nominal relative deformation (procedure A)
9.2.3 Relative deformation (procedure B)
14 9.3 Compressive stress at 10 % nominal relative deformation (procedure A)
9.4 Nominal compressive modulus of elasticity (procedure A)
9.5 Compressive modulus of elasticity (procedure B)
15 10 Precision
10.1 Procedure A
10.2 Procedure B
16 11 Test report
18 Annex A (informative) Remarks about the determination of the compressive modulus
21 Bibliography

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BS EN ISO 844:2021
$102.76