scope:

This European Standard gives the requirements for the design,dimensions, performance, and testing of a brake block (otherwiseknown as brake shoe insert) that acts on the wheel tread as part ofa tread brake system. This European Standard does not cover castiron brake block requirements. This European Standard is applicableto brake blocks of either "K", "L", or "LL" friction level designedto be fitted to tread braked rail vehicles. This European Standardcontains the requirements for interfacing the brake block with therail vehicle, the testing procedures in order to confirm that itsatisfies the basic safety and technical interchangeabilityrequirements, the material control procedures to ensure productquality, reliability and conformity and considers health andenvironmental needs.