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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COFRAC 1-0751 Aspach Le Bas, FR
DIN EN 60601-2-37 DIN EN 27888 DIN ISO 16649-2 DIN EN ISO 6579-1 DIN EN ISO 11290-1 + 3 more
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SAFE Srl

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ACCREDIA 01499 Mirandola, IT
DIN EN ISO 11737-2 DIN EN 13274-7 DIN EN 12149 DIN EN ISO 11885 DIN EN ISO 14683 + 3 more
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ACCREDIA 00506 Lemignano di Collecchio, IT
DIN EN ISO 3960 ISO 18787 ISO 6496 ISO 4831 ISO 4832 + 3 more
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ACCREDIA 02350 Scurcola Marsicana, IT
ISO 6506-1 ISO 6507-1 DIN EN 14587-2 ASTM E415-21 UNI EN 14730-1
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SAGE ENVIRONNEMENT

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COFRAC 1-1635 Annecy, FR
NF T 90-333 NF T 90-388 NF T 90-354 NF T 90-395 XP T90-337 + 1 more
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ACCREDIA 01172 Scerne di Pineto, IT
DIN EN ISO 3960 ISO 4832 ISO 21527-1 ISO 21527-2 DIN EN ISO 4833-1 + 3 more
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SAL

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DAkkS D-PL-18398-02-02 Waldems, DE
DIN EN ISO 11737-2 DIN EN ISO 17664-1 DIN EN 13060 DIN EN ISO 17665-1 DIN EN ISO 11138-7 + 3 more
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SAL Società Acqua Lodigiana srl - Laboratorio Analisi

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ACCREDIA 00323 Lodi, IT
DIN EN 27888 DIN EN ISO 12846 ISO 11731 ISO 6222 ISO 7899-2 + 3 more
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SALA PROVE BTICINO

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ACCREDIA 00044 Varese, IT
DIN EN 61439-1 IEC 61000-4-2: 2008 IEC 61000-4-3: 2006 IEC 61000-4-4: 2012 IEC 61000-4-6: 2013 + 3 more
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ACCREDIA 00591 Cavriago, IT
ISO 18787 ISO 4832 ISO 21527-1 ISO 21527-2 DIN EN ISO 4833-1 + 3 more
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SALPA Soc. Agr. Cons. a.r.l.

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ACCREDIA 02357 Roseto degli Abruzzi, IT
UNI EN 15662
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SALVATI DIAGNOSTICA S.R.L. - Settore Microbiologia AcquAriAlimenti

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ACCREDIA 00677 Terni, IT
ISO 4832 DIN ISO 16649-2 DIN EN ISO 4833-1 DIN EN ISO 6888-2 DIN EN ISO 21528-2 + 3 more
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SAMPLING & ANALYSIS

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ACCREDIA 00445 San Dorligo della Valle, IT
ISO 1928 ISO 562 ISO 579 ISO 589 ISO 1171 + 3 more
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SANA

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ISO 11948-1 ISO 4832 ISO 21527-1 ISO 21527-2 DIN EN ISO 4833-1 + 3 more
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ACCREDIA 00901 Telese Terme, IT
ISO 4832 ISO 21527-1 DIN ISO 16649-2 DIN EN ISO 6579-1 DIN EN ISO 6888-2 + 3 more
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SANT'AMBROGIO ANALISI ALIMENTARI E AMBIENTALI S.r.l. Unipersonale

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ACCREDIA 00559 Cinisello Balsamo, IT
ISO 4832 ISO 21527-1 ISO 21527-2 DIN ISO 16649-2 DIN EN ISO 4833-1 + 3 more
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SARL FMDC DIAGNOSTICS

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COFRAC 1-6194 - Marne La Vallee Cedex 4 20 Av Christian Doppler, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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COFRAC 1-6228 Delain, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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ACCREDIA 00647 Sarroch, IT
DIN EN 15984 ASTM D5291-21 DIN EN 15984 ASTM D5291-26
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SATRA Technology Centre

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UKAS 0248 Kettering, GB
ISO DIN EN ISO 9239-1 DIN EN ISO 12952-1 DIN EN ISO 12952-2 DIN EN 597-1 + 3 more
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SAUERMANN IBERICA PUMPS AND INSTRUMENTS, S.L. (Unipersonal)

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ENAC LC10.221 Terrassa, ES
(15 ± 1) ⋅ 10-6 mol/mol (1000 ± 50) ⋅ 10 (8 ± 0,5) ⋅ 10-2 mol/mol (1,4 ± 0,1) ⋅ 1 (3000 ± 150) ⋅ 10-6 mol/mol (9 ± 1) ⋅ 10 (80 ± 8) ⋅ 10-6 mol/mol (100 ± 8) ⋅ 10-6 mol/mol
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SAUNIER DUVAL

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COFRAC 1-0135 Nantes, FR
DIN EN 13203-1 DIN EN 13203-2 DIN EN 15502-1 DIN EN 15502-2-1 DIN EN 15502-2-1
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SAVOIE ANALYSES - Site de Bonneville

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COFRAC 1-7502 Bonneville, FR
DIN EN 27888 DIN EN 12880 DIN EN ISO 10523 DIN ISO 17289 DIN EN 26777 + 3 more
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SBKS

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DAkkS D-PL-11303-01-02 St. Wendel, DE
und VDI/VDE 2604 229600 (A150P u. A175 CD23, CD25, CD33,CD34, CD38, CD59 Anti-Yo p62 DIN EN 50178: 1998 + 3 more
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SBS Kalibrierservice

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DAkkS D-K-18447-01-01 Aresing/ OT Unterweilenbach, DE
Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO Railway maintenance — track geometry (EN - Gleichstromstärke - Gleichstromwiderstand + 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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