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BS ISO 19940:2017
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Tyre stiffness index testing procedure for passenger car extended mobility and run flat tyres
Hardcopy , PDF
English
16-05-2018
This document specifies the testing method for determining the tyre stiffness index of passenger car tyres for the products capable of supplying the vehicle with the basic tyre functions, at least, at a speed of 80 km/h (50 mph) and a distance of 80 km when operating in flat tyre running mode, as per ISO 16992.
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