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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Ingenieurgesellschaft Holzberg und Riehemann

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DAkkS D-PL-17201-01-00 Rheinmünster, DE
ISO 17987-6 ISO 17987-7 ISO 16845
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Inotech Meter Calibration Systems

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DAkkS D-K-20838-01-02 Bietigheim, DE
Taupunkttemperatur Railway braking — urban guided transport Railway vehicle body structural requirem Railway bogies — wheelsets and bogies st Elektrische + 3 more
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Institut für Hygiene und Umwelt

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DAkkS D-PL-14095-03-02 Hamburg, DE
DIN 38402-A 12 DIN ISO 5667-5 (A 14) DIN EN ISO 5667-6 (A 15) DIN EN ISO 19458 (K 19) DIN 19643-1 + 3 more
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Institut für Klinische Transfusionsmedizin und Immungenetik Ulm gemeinnützige

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DAkkS D-ML-17347-01-00 Ulm, DE
Basophile Granulozyten Eosinophile Granulozyten Erythrozyten Lymphozyten Leukozyten + 3 more
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Institut für Mikrobiologie der Bundeswehr Zentralbereich Diagnostik

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DAkkS D-ML-18337-01-00 München, DE
Bacillus anthracis Antikörper Direkter Coombstest polyvalent Brucella spp. IgG, IgM Antikörper Francisella tularensis-Antikörper polyvalent, IgG, IgM + 3 more
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Institut für Solarenergieforschung GmbH ISFH Calibration and Test Center (CalTeC)

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DAkkS D-K-18657-01-01 Emmerthal, DE
Kurzschlussstrom 0,5 mA 0,1 V Füllfaktor Solarzellen* 25 % 0,01 mW THD U 0,1 % + 3 more
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Institut für Umwelt & Energie, Technik & Analytik e.V. (IUTA)

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DAkkS D-PL-19759-01-05 Duisburg, DE
Erythrozyten im 1,5.10121-1 DIN EN ISO 10121-2 DIN EN ISO 16890-1 DIN EN ISO 16890-2 DIN EN ISO 16890-3 + 3 more
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Institute for International Product Safety

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DAkkS D-PL-19125-01-00 Bonn, DE
DIN EN IEC 60255-1 VDE 0435-300 DIN EN 60255-151 VDE 0435-3151 IEC 60255-151 + 3 more
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Intertek Caleb Brett GERMANY

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DAkkS D-PL-11307-01-00 Hamburg, DE
DIN EN ISO 12185 ASTM D 4052 DIN EN ISO 3405 ASTM D 86 DIN EN 13016-1 + 3 more
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Intertek Consumer Goods

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DAkkS D-PL-14184-01-02 Fürth, DE
IEC 62321-2 DIN EN 61340-4-4 DIN EN 12472 DIN EN 16711-1 DIN EN 1264-5 + 3 more
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Intertek Deutschland

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DAkkS D-PL-12085-01-01 Kaufbeuren, DE
IEC 61000-3-2: 2014 IEC 61000-3-3 IEC 61000-3-11: 2017 IEC 61000-3-12: 2011 IEC 61000-4-2: 2008 + 3 more
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Isabellenhütte Heusler

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DAkkS D-K-19500-01-01 Dillenburg, DE
Gleichspannung 1 Gleichstrom- und Nieder- 10 mV > 10 V Gleichstromstärke 1 > 1mA + 3 more
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Isserstedt Prüfmaschinen

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DAkkS D-K-15061-01-00 Nettetal, DE
Härte* 20 HRA Härtevergleichsplatten 20 HRB 20 HRC 40 HRD + 3 more
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JUMO GmbH & Co. KG Kalibrierlabor

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DAkkS D-K-15129-01-01 Fulda, DE
Temperaturmessgrößen (Härteskalen HV0,01 Widerstandssensor * direktanzeigende > 200 °C Messumformer mit + 3 more
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Janner Waagen GmbH Zweigniederlassung Weiden

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DAkkS D-K-21494-01-00 Weiden i. d. OPf., DE
Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO elektronische Waagen Innen- und Tiefenmaße Konventioneller + 2 more
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Johann Fischer Aschaffenburg Präzisionswerk

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DAkkS D-K-18423-01-00 Aschaffenburg, DE
Ebenheitsabweichung verkörperungen z.B. platten nach DIN 876:1984 Geradheitsabweichung ebener Flächen, z.B. + 3 more
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Johs. Boss

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DAkkS D-K-21417-01-00 Albstadt, DE
(ein- und mehrgängige winde mit geradlinigen unsymmetrischem Profil 0,5 mm bis 6 mm) Außengewinde Nenndurchmesser + 3 more
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Julius-Maximilians-Universität Würzburg Institut für Hygiene und Mikrobiologie

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DAkkS D-ML-13135-01-00 Würzburg, DE
Obligat anaerobe Bakterien mikroaerophile Bakterien ESBL-Bildner (multiresistente gramnegative säurefeste Stäbchen + 3 more
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Julius-Maximilians-Universität Würzburg Institut für Virologie und Immunbiologie

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DAkkS D-ML-13135-03-01 Würzburg, DE
CD45 Percp+CD16+56+CD3 CD4 CD45 Percp+CD4+CD8 Adalimumab Anti-Adalimumab Antikörper + 3 more
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K. A. Schmersal

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DAkkS D-PL-12119-01-00 Wuppertal, DE
DIN EN IEC 60947-5 IEC 60947-5-1 IEC 60947-5-2 DIN EN 60947-5 IEC 60947-5-3 + 3 more
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K. Meyer R.M.S.

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DAkkS D-K-19781-01-02 Hagen, DE
Temperaturmessgrößen Widerstandsthermometer* Railway braking — urban guided transport Railway vehicle body structural requirem Widerstandssensor * + 3 more
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KB Prüftechnik

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DAkkS D-K-17233-01-00 Hochdorf-Assenheim, DE
Härteprüfmaschinen nach 100 HBW Brinell- und 226 HBW messeinrichtungen von Härteprüfmaschinen + 3 more
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KCH Kalibriercentrum Hannover

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DAkkS D-K-18972-01-01 Hemmingen, DE
eingängige zylindrische Einstellnormale Lehrdorne Durchmesser 1 mm Prüfstifte + 3 more
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KLG Krankenhaus-Labor-Gesellschaft

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DAkkS D-ML-13391-01-00 Frankfurt am Main, DE
basophile, eosinophile, Granulozyten Differenzialblutbild Erythrozyten Erythrozytenverteilungsbreite (RDW) + 3 more
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KRIWAN Testzentrum

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DAkkS D-PL-12091-01-01 Forchtenberg, DE
IEC 61000-4-2: 2008 IEC 61000-4-3: 2006 IEC 61000-4-4: 2012 IEC 61000-4-5: 2005 IEC 61000-4-6: 2013 + 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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