Historical
BS ISO 16589-4:2001
Rotary shaft lip-type seals incorporating thermoplastic sealing elements. Performance test procedures (British Standard)
ISO 16589 describes seals utilizing sealing elements manufactured from suitably formulated compounds, based on thermoplastic materials, such as polytetrafluoroethylene (PTFE).
This part of the standard specifies general performance tests which can be used for seal qualification purposes. Materials quality control, dynamic testing and supplementary low temperature testing requirements are covered.
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British Standards Institution [bsi]
British Standards Institution [bsi]