Wheelchairs - Resistance to ignition of postural support devices
Wheelchairs - Resistance to ignition of postural support devices
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1 Scope This part of ISO 7176 specifies requirements and test methods to assess the resistance to ignition by match flame equivalent of all postural support devices that are supplied to be part of a wheelchair or its seating system. This part of ISO 7176 only determines the resistance to ignition of the devices tested and not the ignitability of the complete wheelchair. This part of ISO 7176 does not apply to the resistance to ignition of other parts of a wheelchair, e.g. wheels, framework. This part of ISO 7176 does not take into consideration changes in resistance to ignition as a result of washing or use. This part of ISO 7176 allows for the separate testing of inferior/superior supports (e.g. arm supports), which are usually used in the horizontal plane, and anterior/posterior/lateral/medial supports (e.g. thoracic harnesses, calf panels), which are usually used in the vertical plane. Until such time as a flammability standard is available for the testing of other components or accessories of the wheelchair, it is advisable that any structural components considered to be at risk are tested at least to the ignitability levels of this part of ISO 7176.
NOTE 1 The requirements of this part of ISO 7176 have been set at a basic minimum level and are less severe than mandatory requirements in some countries.
Where practical, it is advisable that manufacturers use materials with superior resistance to ignition.
NOTE 2 Requirements for the control of risks...
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