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
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SIKA Siebert & Kühn

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DAkkS D-K-19636-01-02 Kaufungen, DE
Vickers hardness test (ISO 6507) Absolutdruck p abs * > 61 bar negativer und positiver > 60 bar + 3 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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SKD GmbH System Kalibrier Dienst

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DAkkS D-K-17733-01-01 Hornberg, DE
Absolutdruck Pabs > 0,05 bar Negativer und positiver Überdruck p (ein- oder mehrgängige + 1 more
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SKZ - Testing

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DAkkS D-PL-19033-01-01 Würzburg, DE
Bauart wie GR 1482 DIN ISO 48-4 DIN ISO 7619-2 DIN EN ISO 868 DIN EN ISO 2039-1 + 3 more
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SLG Prüf- und Zertifizierungs

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DAkkS D-PL-15110-01-02 Hartmannsdorf, DE
IEC 61000-4-2: 2008 IEC 61000-4-3: 2006 DIN EN IEC 61000 IEC 61000-4-4: 2012 IEC 61000-4-5: 2005 + 3 more
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DIN EN ISO 11737-2 DIN 58953-6 DIN 1946-4 DIN EN 13959 DIN EN ISO 8536-4 + 3 more
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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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SMA Solar Technology

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DAkkS D-PL-12074-01-01 Niestetal, DE
IEC 61000-4-2: 2008 VDE 0847-4-2 IEC 61000-4-3: 2006 VDE 0847-4-3 IEC 61000-4-4: 2012 + 3 more
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SML Laboratories

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UKAS 31703 Eastbourne, GB
Surveying) based on HSG 248
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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 Asbestos

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UKAS 1089 Burton-on-Trent, GB
(HSG 248) – 2021 SCI/ASB/003 based on HSG 248 (PCM) 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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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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SPEKTRA Schwingungstechnik und Akustik GmbH Dresden

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DAkkS D-K-15183-01-02 Dresden, DE
Akustische Messgrößen* Schalldruckpegel (Freifeld), (bezogen au Freifeld-Leerlauf- oder 125 Hz ˃ 250 Hz mit / ohne Windschirm > 8 kHz + 3 more
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SPS electronic

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DAkkS D-K-20497-01-01 Twist, DE
- Gleichspannung Messgeräte 1 mV > 330 mV 3,3 V Messgeräte 0,33 V + 3 more
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SSW Prüfsysteme und Service GmbH Weißberg

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DAkkS D-K-17475-01-00 Hilden, DE
Vibration measuring instruments — test m Vibration measurements near traffic — me Härteprüfmaschinen Acoustics — tonality assessment (DIN 456 Noise measurement on railway vehicles — + 3 more
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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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SYNLAB GHANA

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DAkkS D-ML-20424-01-00 Accra, DE
Alpha-Fetoprotein Beta Human Chorionic Gonadotrophin (BHCG), quantitative CA 125 CEA + 3 more
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SYNLAB MVZ Augsburg

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DAkkS D-ML-13225-01-01 Augsburg, DE
HbA1c Bilirubin Kapillare Ethanol (Blutalkohol) Parvovirus-B19-IgG, -IgM Salmonellen IgA + 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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