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
🇩🇪 DIN EN 16185-1 🇬🇧 BS EN 16185-1 🇫🇷 NF EN 16185-1 🇮🇹 UNI EN 16185-1 🇪🇸 UNE EN 16185-1 🇳🇱 NEN EN 16185-1 🇩🇪 DIN EN 13979-1 🇬🇧 BS EN 13979-1 🇫🇷 NF EN 13979-1 🇮🇹 UNI EN 13979-1 🇪🇸 UNE EN 13979-1 🇳🇱 NEN EN 13979-1
1,560 Accredited labs
17 Countries

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SGS France EIHT - Région Sud-Brive La Gaillarde

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COFRAC 1-6452 Brive-La-Gaillarde, FR
DIN ISO 17289 DIN EN ISO 10523 NF X 31-615 (Uniquement DIN EN ISO 7393-2 DIN EN 27888 + 1 more
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SGS France EIHT - Toulouse

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COFRAC 1-6454 Toulouse, FR
NF X 43-269 NF X 43-269 - Annexe K NF X43-050 (parties utiles de ISO 22262-1 NF X 43-050 + 1 more
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SILLIKER - Mérieux NutriSciences

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COFRAC 1-0161 Cergy, FR
DIN EN ISO 21528-1 DIN 53483-2 DIN EN ISO 21528-2 DIN ISO 11665-4 DIN EN ISO 16649-3 + 3 more
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SILLIKER - Mérieux NutriSciences - FSC Saint-Herblain

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COFRAC 1-6746 Saint-Herblain, FR
ISO 18787 AM09 based on BS ISO 21527-1: DIN EN ISO 11290-1 NF V04-408 0.95) based on BS ISO 21527-2:2008 + 2 more
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SILLIKER - Mérieux NutriSciences - Site de Fontaine

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COFRAC 1-0889 Fontaine, FR
DIN EN ISO 21528-1 NF V08-401 DIN EN ISO 21528-2 DIN EN ISO 6888-1 DIN EN ISO 6888-2 + 3 more
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SILLIKER - Mérieux NutriSciences - Site de La Flèche

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COFRAC 1-7288 La Fleche, FR
DIN EN ISO 21528-1 DIN EN ISO 21528-2 DIN EN ISO 6888-1 DIN EN ISO 6888-2 DIN ISO 16649-2 + 3 more
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SLSE - Service des Laboratoires de Santé Environnementale

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COFRAC 1-0869 Paris, FR
NF X 43-050 NF X 43-269 NF X 43-269 – Annexe K NF X43-050 (parties utiles de la DIN ISO 16000-3 + 3 more
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SMT Services & Métrologie Textile

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COFRAC 1-0824 Lisses, FR
DIN EN ISO 1833-13 DIN EN ISO 1833-14 DIN EN ISO 1833-16 DIN EN ISO 1833-17 DIN EN ISO 1833-18 + 3 more
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SNCF - AGENCE D'ESSAIS FERROVIAIRE

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COFRAC 1-6879 Vitry Sur Seine, FR
ISO 13737 NF ISO 22286 ASTM D 2137 NF F19-503 NF T60-190 + 3 more
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SOCIETE FRANÇAISE DE CERAMIQUE

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COFRAC 1-0062 Les Ulis, FR
DIN EN ISO 10545-3 DIN EN 997 DIN EN ISO 10545-4 DIN EN ISO 10545-14 DIN EN ISO 10545-6 + 3 more
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SOCOTEC ENVIRONNEMENT

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COFRAC 1-7125 Guyancourt, FR
DIN EN 14385 ETSI EN 301 489-1 V2.2.3 2019-11 DIN EN ISO 21877 NF X 43-317 DIN EN 14181 + 3 more
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SOLVIAS FRANCE

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COFRAC 1-2383 Hombourg, FR
ISO 11737-3 DIN EN ISO 11737-2 NF EN 13824 (norme BS EN ISO 11737-1:2018
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STEARO

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COFRAC 1-7174 Velaux, FR
DIN EN 12469 NF S 90-351 BS EN ISO 14644-1:2015 ISO 14644-3
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TARKETT France

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COFRAC 1-0576 Sedan, FR
DIN EN ISO 717-2 DIN EN ISO 10140-3 DIN EN 1081 DIN EN ISO 105-B02 DIN EN ISO 9239-1 + 3 more
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TERANA PUY-DE-DOME

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COFRAC 1-6120 Lempdes, FR
NF T 90-412 NF U47-101 DIN EN ISO 7899-1 DIN ISO 16649-2 DIN EN ISO 6888-2 + 3 more
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VALEO ELECTRIFICATION - Laboratoire d'essais et de validations

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COFRAC 1-6561 Sainte-Florine, FR
ISO 16750-3 IEC 60068-2-80) IEC 60068-2-53 limitée à : IEC 60068-2-14 fait IEC 60068-2-1 et + 3 more
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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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