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ISO 16840-6:2015 Wheelchair seating - Part 6: Simulated use and determination of the changes in properties of seat cushions >
ISO 16840-6:2015 Wheelchair seating - Part 6: Simulated use and determination of the changes in properties of seat cushions, 2015
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Symbols and abbreviated terms
- 5 Apparatus for characterizing and ageing cushions
- 5.1 Apparatus for characterizing cushions
- 5.2 Apparatus for aging cushions
- 6 Test environment
- 7 Preparation and setup of cushion
- 8 Selection and order of testing
- 8.1 Testing consists of three stages
- 9 Envelopment
- 9.1 Rationale
- 9.2 Test method and reporting
- 10 Column buckling
- 10.1 Rationale
- 10.2 Test method
- 10.3 Method of calculation
- 10.4 Test report
- 11 Heat and humidity
- 11.1 Rationale
- 11.2 Test method
- 11.3 Method of calculation
- 11.4 Test report
- 12 Heated indenter compression set
- 12.1 Rationale
- 12.2 Test method
- 12.3 Method of calculation
- 12.4 Test report
- 13 Impact damping under normal conditions
- 13.1 Rationale
- 13.2 Test method
- 14 Interface pressure measurement test (pressure mapping)
- 14.1 Rationale
- 14.2 Test method
- 14.3 Method of calculation
- 14.4 Test report
- 15 Lateral stiffness
- 15.1 Rationale
- 15.2 Test method
- 15.3 Method of calculation
- 15.4 Test report
- 16 Leak
- 16.1 Rationale
- 16.2 Test method
- 16.3 Test report
- 17 Loaded contour depth and overload deflection
- 17.1 Rationale
- 17.2 Test method
- 17.3 Method of calculation
- 18 Hysteresis test
- 18.1 Rationale
- 18.2 Test method
- 19 Sliding resistance
- 19.1 Rationale
- 19.2 Test method
- 19.3 Method of calculation
- 19.4 Test report
- 20 10 % force deflection
- 20.1 Rationale
- 20.2 Test method
- 20.3 Method of calculation
- 21 Stage 2: Simulated age testing
- 22 Accelerated aging
- 22.1 Rationale
- 22.2 Test method
- 22.2.1 70 °C accelerated aging procedure
- 22.2.2 50 °C modified accelerated aging procedure (for cushions made with hydrogels or other materials not intended for high temperature exposure)
- 22.3 Method of calculation
- 22.4 Test report
- 23 Bacterial soiling
- 23.1 Rationale
- 23.2 Test method
- 23.2.1 Preparation of bacterial soiling broth
- 23.2.2 Bacterial exposure
- 23.3 Method of calculation
- 23.4 Test report
- 24 Cold exposure
- 24.1 Rationale
- 24.2 Test method
- 24.3 Method of calculation
- 24.4 Test report
- 25 Cyclic loading at elevated temperature
- 25.1 Rationale
- 25.2 Test method
- 25.3 Method of calculation
- 25.4 Test report
- 26 Disinfection
- 26.1 Rationale
- 26.2 Test method
- 26.2.1 Cover of cushion disinfection
- 26.2.2 Interior cushion disinfection
- 27 Faecal soiling with cyclic loading
- 27.1 Rationale
- 27.2 Test method
- 27.3 Method of calculation
- 27.4 Test report
- 28 Heat and humidity
- 28.1 Rationale
- 28.2 Test method
- 28.3 Method of calculation
- 28.4 Test report
- 29 Laundering
- 29.1 Rationale
- 29.2 Test method
- 29.2.1 Cover of cushion laundering
- 29.2.2 Interior cushion laundering
- 29.3 Method of calculation
- 29.4 Test report
- 30 Urinary soiling with cyclic loading
- 30.1 Rationale
- 30.2 Test method
- 30.3 Method of calculation
- 30.4 Test report
- 31 UV and ozone exposure
- 31.1 Rationale
- 31.2 Test method
- 31.3 Method of calculation
- 31.4 Test report
- 32 Stage 3: Post-aged cushion testing
- 33 Method of calculations
- 34 Test report
- Annex A (informative) Influences that drive changes in seat cushion performance
- Bibliography [Go to Page]