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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ASTM D664 ASTM D92 ISO 3961 2.92 mm systems (continued) Refractive Index + 3 more
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Tensile testing of metallic materials (I Charpy impact test (ISO 148-1) DIN EN ISO 7438 DIN EN ISO 4136 DIN EN ISO 5173 + 3 more
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UKAS 4109 Hatton, GB
ISO 20653 DIN EN 60529 IEC 60529: 1989 IEC 61400-50 ISO 16232-2 + 3 more
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UKAS 0307 Newcastle-upon-Tyne, GB
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(HSG 248) – 2021 (PCM) based on HSG 248 Manual based on HSG 248
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Perschmann Calibration

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DAkkS D-K-15089-01-01 Braunschweig, DE
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Pirelli Tyre SpA

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ACCREDIA 00063 Milano, IT
ISO 37 ISO 188 ISO 28580 ISO 10231 ISO 10191 + 3 more
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PluriAcque S.C.P.A.

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ACCREDIA 00927 Prignano Cilento, IT
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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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