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
1,323 Accredited labs
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UKAS 4238 Hereford, GB
Appendix 5 of HSG 227 (2004) (HSG 264, 2012)
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UKAS 2099 Exeter, GB
(HSG 248) – 2021 (PCM) based on HSG 248 SP1 based on HSG 248
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Environmental and Site Safety Solutions

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UKAS 9608 Basildon, GB
(HSG 264, 2012) and Appx. 3 of HSG 227 (2004)) Executive guides HSG 264 (2012)
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Environtec

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UKAS 2030 Chelmsford, GB
(HSG 248) – 2021 (PCM) based on HSG 248 staining based on HSG 248
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Envirosafe Testing

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UKAS 28785 Wolverhampton, GB
(HSG 248) – 2021 SOP 3 based on HSG 248 (PCM) based on HSG 248
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Erichsen Gesellschaft mit beschränkter Haftung & Co. Kommanditgesellschaft

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DAkkS D-K-21247-01-01 Hemer, DE
Innen- und Tiefenmaße Konventioneller 0,11 G > 2 G > 5 g + 3 more
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Esenwein

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DAkkS D-K-15168-01-00 Hochdorf, DE
/ Messgeräte > 220 mV Quellen > 0,2 V 120 V 200 V + 3 more
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Essex Asbestos Testing

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UKAS 8007 Corringham, GB
(HSG 248) – 2021 (PCM) based on HSG 248 TP03 based on HSG 248
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Eton Environmental Group

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UKAS 2734 Darlington, GB
(HSG 248) – 2021 TP005, based on HSG 248 (PCM) based on HSG 248
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Eurofins Chemtest

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UKAS 2183 Newmarket, GB
staining based on HSG 248. (PCM) based on HSG 248 (HSG 248) – 2021 DIN EN 12457-2 DIN EN 12457-3
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Eurofins Electrical & Electronic UK

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UKAS 0452 Bideford, GB
AC CURRENT AC VOLTAGE (continued) Measurement (continued) DC CURRENT Generation (continued) + 3 more
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Eurofins Electrical & Electronic UK

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UKAS 1574 York, GB
IEC 61000-6-1 IEC 61000-4-29: 2000 DIN EN 62233 IEC 61000-4-11: 2004 DIN EN 61000-4-12 + 3 more
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Eurofins Food Testing UK

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UKAS 2262 Ipswich, GB
ISO 6579-1 ISO 6888-1 ISO 16649-2 ISO 11290-1 1) AM/M/11-2 based on BS EN + 3 more
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UKAS 9659 Grimsby, GB
Method 15.2 based on BS EN ISO ISO 15213-2 Method 9.8 based on BS EN BS EN Method 5.11 based on BS EN ISO Method 4.3 based on BS EN ISO + 3 more
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Eurofins Food Testing UK

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UKAS 2622 Linlithgow Bridge, GB
ISO 6579-1 ISO 4832 EUMM 3.03 based on BS EN EUMM 3.07 based on BS EN ISO BS ISO 21528-2:2017 + 3 more
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UKAS 0342 Wolverhampton, GB
ISO 712 ISO 4833-1 on BS EN ISO 1736:2008 ISO 21528-2 BS ISO 4832:2006 + 3 more
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Eurofins Laborbetriebsgesellschaft Gelsenkirchen

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DAkkS D-ML-17481-01-01 Gelsenkirchen, DE
Thrombozytenfunktion Agomelatin Amisulprid (Psychopharmaka) Amitriptylin (TZA) Aripiprazol (Neuroleptika) + 3 more
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DAkkS D-ML-17480-01-01 Gelsenkirchen, DE
Thrombozytenfunktion Agomelatin Amisulprid (Psychopharmaka) Amitriptylin (TZA) Aripiprazol (Neuroleptika) + 3 more
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Eurotherm Germany

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DAkkS D-K-22312-01-02 Limburg a. d. Lahn, DE
Tensile testing of metallic materials (I Vickers hardness test (ISO 6507) Temperaturmessgrößen mit Anzeige –100 °C > –50 °C + 3 more
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Evangelisches Klinikum Niederrhein Laboratoriumsmedizin

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DAkkS D-ML-20007-01-00 Duisburg, DE
Glykohämoglobin A1C (HbA1c) Basophile Granulozyten Eosinophile Granulozyten Erythrozytenverteilungsbreite (RDW) + 3 more
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Evangelisches Krankenhaus Oberhausen GmbH Institut für Laboratoriumsmedizin und Klinische Mikrobiologie

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DAkkS D-ML-18340-01-00 Oberhausen, DE
Blutzellen Basophile Granulozyten Basophile Granulozyten, Eosinophile Gran Eosinophile Granulozyten, Erythrozyten, Basophile Leukozyten, absolut + 3 more
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Evolution Environmental

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UKAS 9661 Teston, GB
(HSG 264, 2012)
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Evonik Operations

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DAkkS D-K-21594-01-00 Hanau, DE
Taupunkttemperatur Railway braking — urban guided transport Widerstandssensor *) Edelmetall- und standssensor + 3 more
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F.S. Fehrer Automotive

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DAkkS D-PL-21199-01-01 Kitzingen, DE
DIN EN ISO 1798 DIN EN ISO 1856 Myopathie, Nemaline (TyP1, 3-10: DIN EN ISO 14125 DIN EN ISO 179-1 + 3 more
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FAURECIA INTERIOR SYSTEMS SALC ESPAÑA

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ENAC LE2759 Paterna, ES
ISO 2409 ISO 3795 DIN EN 1464 Railway brake — anti-slide device (UIC 5
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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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