Table of Contents

Foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Symbols and abbreviated terms<br>5 Apparatus for characterizing and ageing cushions<br>6 Test environment<br>7 Preparation and setup of cushion<br>8 Selection and order of testing<br>9 Envelopment<br>10 Column buckling<br>11 Heat and humidity<br>12 Heated indenter compression set<br>13 Impact damping under normal conditions<br>14 Interface pressure measurement test<br>&nbsp;&nbsp;&nbsp;(pressure mapping)<br>15 Lateral stiffness<br>16 Leak<br>17 Loaded contour depth and overload deflection<br>18 Hysteresis test<br>19 Sliding resistance<br>20 10% force deflection<br>21 Stage 2: Simulated age testing<br>21 Stage 2: Simulated age testing<br>22 Accelerated aging<br>23 Bacterial soiling<br>24 Cold exposure<br>25 Cyclic loading at elevated temperature<br>26 Disinfection<br>27 Faecal soiling with cyclic loading<br>28 Heat and humidity<br>29 Laundering<br>30 Urinary soiling with cyclic loading<br>31 UV and ozone exposure<br>32 Stage 3: Post-aged cushion testing<br>33 Method of calculations<br>34 Test report<br>Annex A (informative) - Influences that drive changes<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;in seat cushion performance<br>Bibliography

Abstract

Describes apparatus, test methods, and disclosure requirements for generating aging effects in a seat cushion that reproduce those seen in use.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	CH/173/1
Supersedes	13/30280551 DC : 0