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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ACCREDIA 00708 Arezzo, IT
ISO 21527-1 ISO 21527-2 DIN EN ISO 4833-1 DIN EN ISO 6579-1 DIN EN ISO 21528-2 + 3 more
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COFRAC 1-1747 Casablanca, FR
(p.Ala222Val); dbSNP rs1801133 ISO 3656 DIN EN 1135 BS EN 15662 DIN 10113-2 + 3 more
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COFRAC 1-0871 Coulounieix-Chamiers, FR
DIN EN 27888 ISO 4831 ISO 4832 ISO 15214 ISO 21527-1 + 3 more
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LABORATOIRE DEPARTEMENTAL D'ANALYSES ET DE RECHERCHE (L.D.A.R.)

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COFRAC 1-0551 Laon, FR
ISO DIN EN 27888 ISO 4832 ISO 15213 ISO 15214 + 3 more
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LABORATOIRE DES PYRENEES ET DES LANDES - Site de Pardies

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COFRAC 1-6954 Pardies, FR
DIN EN 13126-19 DIN EN 14790 DIN EN 14792 DIN EN ISO 21877 DIN EN 14789 + 3 more
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LABORATOIRE DES TRAVAUX PUBLICS DE POLYNESIE

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COFRAC 1-6923 Papeete, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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LABORATOIRE DU COMMISSARIAT DES ARMEES (LABOCA)

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COFRAC 1-1046 Les Ponts De Ce, FR
ISO DIN EN 27888 ISO 4832 ISO 15214 DIN ISO 16649-2 + 3 more
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COFRAC 1-1105 Serres-Castet, FR
Charpy impact test (ISO 148-1) ISO DIN EN ISO 4136 DIN EN ISO 9016 DIN EN ISO 6506-1 + 3 more
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COFRAC 1-6990 La Ciotat, FR
DIN EN ISO 16212 DIN EN ISO 18415 DIN EN ISO 18416 DIN EN ISO 21149 DIN EN ISO 21150 + 3 more
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COFRAC 1-1979 Limoges, FR
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COFRAC 1-0621 Casablanca, FR
DIN EN 60068-2-75 IEC 60335-1: 2010 IEC 60884-1: 2002 IEC 60884-2-5: 1995 IEC 60947-2 + 3 more
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COFRAC 1-2453 Arques, FR
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COFRAC 1-10085 Arques, FR
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COFRAC 1-1847 Lyon 7Eme, FR
Tensile testing of metallic materials (I Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO ISO (NM_001718: c.1-c.500) + 3 more
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LABORATORI AGROALIMENTARI. GENERALITAT DE CATALUNYA

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ENAC LE309 Cabrils, ES
ISO 16649-2 ISO 21528-2 ISO 6579-1 ISO 6222 ISO 660 + 3 more
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ACCREDIA 00521 Pinerolo, IT
ISO 21527-2 DIN ISO 16649-2 DIN EN ISO 4833-1 DIN EN ISO 6579-1 DIN EN ISO 7932 + 3 more
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ENAC LE462 Montmeló, ES
ASTM D 1293 ASTM D 240 ASTM D56 ASTM E 203 ISO 6439 + 3 more
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LABORATORI FRATINI - Unità locale ECOCHEM S.p.A. a socio unico

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ACCREDIA 00585 Vicenza, IT
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LABORATORI VAILATI

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ACCREDIA 00496 San Paolo, IT
dbSNP rs1800562, rs1799945, rs1800730, r DIN EN 27888 ISO 18787 ISO 4831 ISO 4832 + 3 more
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ACCREDIA 00484 Pavullo nel Frignano, IT
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ENAC LE416 Burgos, ES
ISO 16869 UNE-EN 15604 UNE-EN 15475 UNE-EN 15958 UNE-EN 15956 + 3 more
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LABORATORIO AGRARIO Y FITOPATOLÓGICO DE GALICIA

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ENAC LE609 Abegondo, ES
ISO 10390 ISO 8968-1 BS ISO 6731:2010 ISO 23318 UNE 77308 + 3 more
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LABORATORIO AGROALIMENTARIO Y DE SANIDAD ANIMAL DE MURCIA

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ENAC LE1502 El Palmar, ES
ISO 4833-1 BS ISO 6731:2010 ISO 23318 UNE-EN ISO 6579-1 UNE-EN 15621 + 3 more
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LABORATORIO AGROALIMENTARIO Y ESTACIÓN ENOLÓGICA DE JEREZ. JUNTA DE ANDALUCIA

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ENAC LE503 Jerez de la Frontera, ES
UNE 33129 OIV-MA-AS312-01 OIV-MA-AS2-01 OIV-MA-BS-06 OIV-MA-AS323-04A2 + 3 more
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LABORATORIO AGROALIMENTARIO Y ESTACIÓN ENOLÓGICA DE MONTILLA.

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ENAC LE508 Montilla, ES
OIV-MA-AS312-01 OIV-MA-AS2-01 OIV-MA-AS2-03B OIV-MA-AS313-15 OIV-MA-AS323-04A2 + 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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