Standard Test Method for Conducting Friction Tests of Piston Ring and Cylinder Liner Materials Under Lubricated Conditions Ingestion-build-89079 This European Standard covers tactility

This European Standard covers tactility but only for products the intended use of which requires this performance

What is ISO 20890‑4 about

PD IEC TS 63001 is helpful as it provides guidance on the measurements made for purposes of comparison between two different cleaning environments or various locations within a cleaning environment

Note 2 - The procedures described in DD IEC/TS 61934 are emerging technologies

BS EN 13261 is a European Standard specifies the characteristics of axles for use on European networks

Standard Test Method for Conducting Friction Tests of Piston Ring and Cylinder Liner Materials Under Lubricated Conditions Ingestion-build-89079 This European Standard covers tactility