BS 7539:1992

Committees responsible
Foreword
Methods
Section 1. General
0 Introduction
1 Scope
2 Definitions
Section 2. Method 1. Determination of dynamic
            cushioning performance of sheet or block
            material
3 General
4 Apparatus
5 Test pieces
6 Conditioning and test conditions
7 Procedure
8 Calculation
9 Test report
Section 3. Method 2. Measurement of creep strain and
            compression set of sheet or block material
10 General
11 Apparatus
12 Test pieces
13 Conditioning and test conditions
14 Procedure
15 Calculation of results
16 Test report
Section 4. Methods 3A, 3B and 3C. Determination of the
            cushioning properties of loose fill
            materials
17 General
18 Apparatus
19 Conditioning and test conditions
20 Method 3A. Determination of compression under load
    and required overfill
21 Method 3B. Determination of the maximum static
    stress the material can support under repeated low-
    level impacts
22 Method 3C. Determination of effectiveness of
    positioning an article under vibration
Section 5. Method 4. Measurement of fungal growth of
            sheet or block cushioning material
23 Test specimens
24 Procedure
25 Test report
Appendix
A Measurement of dimensions of test pieces (based on
    BS 4443 : Part 1)
Figures
1 Bounce machine, basic drive mechanism
2 Construction of test box used in methods 3A, 3B and
    3C
3 Compression tray
4 Determination of test block position (method 3C)
5 Apparatus for measurement in accordance with method
    1A