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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SISTEMAS ELECTRÓNICOS DE DETECCIÓN Y ANÁLISIS

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ENAC LC10.210 Cornellà de Llobregat, ES
(5 ± 0,2) · 10-2 mol/mol (1000 ± 50) · 10-6 mol/mol (15 ± 2) · 10-6 mol/mol
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SISTEMAS TECNOLÓGICOS AVANZADOS

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ENAC LE2749 Zaragoza, ES
UNE-EN 12341 20 ⋅ 10-9 mol/mol ≤ C ≤ 500 ⋅ 10-9 mol/m 0,015 l/min ≤ Q ≤ 50 l/min 20 ⋅10-9 mol/mol ≤ C ≤ 100 ⋅ 10-9 mol/mo 100 ⋅ 10-9 mol/mol ≤ C ≤ 1000 ⋅ 10-9 mol + 3 more
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SKD GmbH System Kalibrier Dienst

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DAkkS D-K-17733-01-01 Hornberg, DE
> 0,05 bar Absolutdruck Pabs Positiver Überdruck p e (ein- oder mehrgängige Negativer und + 1 more
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ACCREDIA 01097 Novara, IT
DIN EN ISO 11885 DIN EN ISO 15587-2 DIN EN 13657 DIN EN ISO 10523 DIN EN ISO 10304-1 + 3 more
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SKZ - Testing

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DAkkS D-PL-19033-01-01 Würzburg, DE
Bauart wie GR 1482 ISO 20 HR10/60 229600 (A150P u. A175 CD23, CD25, CD33,CD34, CD38, CD59 + 3 more
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DAkkS D-PL-15110-01-02 Hartmannsdorf, DE
Sound power — engineering methods for sm Sound power — engineering method using a Sound power — survey method (ISO 3746) Sound intensity — scanning method (ISO 9 Sound intensity — scanning method part 2 + 3 more
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DAkkS D-K-15110-01-01 Hartmannsdorf, DE
Railway brake — magnetic track brakes (U Railway brakes — conditions for homologa Railway brakes — electropneumatic brakes Railway bogies — wheelsets and bogies st - Gleichspannung + 3 more
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SLSE - Service des Laboratoires de Santé Environnementale

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COFRAC 1-0869 Paris, FR
DIN ISO 16000-3 DIN EN ISO 16017-1 ISO 16000-3 DIN ISO 16000-4 DIN EN ISO 16017-2 + 3 more
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DAkkS D-PL-12074-01-01 Niestetal, 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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DAkkS D-K-12074-01-01 Niestetal, DE
/ Messgeräte > 10 A 120 V 0,12 mA Messgeräte 1,2 mΩ + 3 more
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UKAS 31703 Eastbourne, GB
Surveying) based on HSG 248
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DAkkS D-PL-17769-01-00 Tübingen, DE
DIN EN ISO 11737-2 DIN EN ISO 17664-1 ISO 17664-2 DIN EN ISO 11607-2 DIN EN 868-5 + 3 more
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SMT Services & Métrologie Textile

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COFRAC 1-0824 Lisses, FR
DIN EN ISO 13934-1 DIN EN ISO 105-E04 DIN EN ISO 13935-2 DIN EN ISO 12945-1 DIN EN ISO 12945-2 + 3 more
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SNAM RETE GAS - LASVIL

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ACCREDIA 00248 Milano, IT
DIN EN 13126-19 DIN EN 14792 DIN EN 14789 DIN EN 15058 DIN EN 14181 + 3 more
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SNCF - AGENCE D'ESSAIS FERROVIAIRE

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COFRAC 1-6879 Vitry Sur Seine, FR
Occupational noise exposure measurement Railway pass-by noise measurement (ISO 3 Railway catenary — current collection qu Railway driver warning systems — braking Railway brake friction material characte + 3 more
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SO.G.I.N. - SOCIETA' GESTIONE IMPIANTI NUCLEARI PER AZIONI - DISATTIVAZIONE TRINO - LABORATORIO DI PROVA LCT

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ACCREDIA 00087 Trino, IT
DIN EN ISO 9698 UNI 11015 ISO 11704 UNI 11665 ISO 9698
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SO.GE.R.I

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ACCREDIA 01966 Alessandria, IT
ISO 9308-2 APAT CNR IRSA 2030 Man 29 2003 APAT CNR IRSA 2060 Man 29 2003 APAT CNR IRSA 4020 Man 29 2003 APAT CNR IRSA 2040 B Man 29 2003 + 3 more
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SO.GEST AMBIENTE srl

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ACCREDIA 00741 Palermo, IT
ISO 4832 ISO 21527-1 ISO 21527-2 DIN ISO 16649-2 DIN EN ISO 17141 + 3 more
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SOCIETA' INIZIATIVE NAZIONALI AUTOSTRADALI - S.I.N.A. SPA - LABORATORIO PROVE SINA

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ACCREDIA 00612 Rivalta Scrivia, IT
DIN EN 12350-1 DIN EN 12350-6 DIN EN 12390-3 DIN EN 12390-5 DIN EN 12390-8 + 3 more
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SOCOLAB ENVIRONNEMENT FREJUS

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COFRAC 1-5877 Frejus, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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SOCOLAB Environnement

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COFRAC 1-6328 Lissieu, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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SOCOR

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COFRAC 1-0273 Dechy, FR
DIN EN 27888 DIN EN 12880 DIN EN 196-2 DIN 18123 DIN EN 196-6 + 3 more
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SOCOTEC Asbestos

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UKAS 1089 Burton-on-Trent, GB
(HSG 248) – 2021 (PCM) based on HSG 248 SCI/ASB/003 based on HSG 248 SCI/ASB/001 based on HSG 248
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SOCOTEC Asbestos

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UKAS 0148 Burton-upon-Trent, GB
(HSG 264, 2012) 5 of HSG 227 (2004)
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COFRAC 1-7224 Cenon, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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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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