EN 17285

Railway Composite Brake Blocks - Requirements

This test method establishes performance requirements and acceptance criteria for composite (non-asbestos) brake blocks used in freight wagon braking systems. It evaluates friction characteristics, thermal stability, wear resistance, and compatibility with brake disc or wheel surfaces under representative operational conditions. Freight operators and brake block manufacturers use this test to ensure component reliability and safe braking performance in heavy-duty rail transport. Accreditation is critical for laboratories conducting brake block qualification testing to provide independent verification of compliance with European technical specifications for freight wagon safety.

What it measures

  • Coefficient of friction under varied temperatures
  • Wear rate and durability characteristics
  • Thermal stability and fade resistance
  • Compatibility with disc or wheel materials
  • Dimensional stability and surface integrity
🇧🇪 NBN EN 16185-1 🇩🇪 DIN EN 16185-1 🇬🇧 BS EN 16185-1 🇫🇷 NF EN 16185-1 🇮🇹 UNI EN 16185-1 🇪🇸 UNE EN 16185-1 🇳🇱 NEN EN 16185-1 🇧🇪 NBN EN 13979-1 🇩🇪 DIN EN 13979-1 🇬🇧 BS EN 13979-1 🇫🇷 NF EN 13979-1 🇮🇹 UNI EN 13979-1
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(HSG 248) – 2021 staining based on HSG 248
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UKAS 29622 Chelmsford, GB
(HSG 264, 2012)
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London Borough of Enfield

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UKAS 1119 Enfield, GB
(HSG 248) – 2021 staining based on HSG 248 (PCM) based on HSG 248
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London Laboratories

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UKAS 9681 Hextable, GB
(HSG 248) – 2021 (PCM) based on HSG 248 ASB04 based on HSG 248
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London North West University Healthcare NHS Trust

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Lucchini RS S.p.A. - Laboratori metallurgici

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Ludwig Schneider Messtechnik

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Railway braking — urban guided transport - Direktanzeigende Thermometer Taupunkttemperatur angeschlossenem standsthermometer *) + 3 more
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Ludwig-Maximilians-Universität München Max von Pettenkofer-Institut Lehrstuhl für Medizinische Mikrobiologie und Krankenhaushygiene

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Industries

Freight wagon operators Brake block manufacturers Brake system component suppliers Rolling stock maintenance providers Railway type-approval bodies

Related Standards

  • EN 16185-1 Railway applications - Brake friction pairs - Part 1: Friction behaviour assessment and acceptance criteria
  • EN 13979-1 Railway applications - Braking systems - Part 1: General requirements and definitions
  • EN 16834 Railway applications - Adhesion under braking and traction conditions

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