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
3,963 Accredited labs
21 Countries

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MECHAUP

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ENAC LE2894 Martos, ES
ISO 10605 ISO 16750-2: 2012 ISO 16750-4 UNE-EN IEC 60068-2-14 UNE-EN IEC 60068-2-38 + 3 more
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MECTEST - Divisione di Progetto Azienda Srl

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ACCREDIA 01718 Bellizzi, IT
Tensile testing of metallic materials (I Charpy impact test (ISO 148-1) DIN EN 10160 DIN EN ISO 17637 DIN EN ISO 17638 + 3 more
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MEDIC – ALL TECHNICS AND SERVICES (M.A.T.S.) bv

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BELAC 670-CAL Pajottegem, BE
Optical Density - Plate 405nm Optical Density - SNDP 405nm Optical Density - SNDP 340 nm
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MEDILABOR S.C.

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ACCREDIA 00906 Cavallermaggiore, IT
ISO 21527-1 DIN EN 13126-19 DIN EN 13657 DIN EN ISO 10304-1 DIN EN ISO 17294-2 + 3 more
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MEDIMAX

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ACCREDIA 01100 Roma, IT
DIN EN ISO 17141 ISO 11731 DIN EN ISO 4833-2 ISO 16649-2 DIN EN ISO 15213-2 + 3 more
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MEDIO CHIAMPO

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ACCREDIA 02269 Zermeghedo, IT
DIN EN ISO 10523 DIN EN ISO 10304-1 DIN EN ISO 20236 ISO 10304-1 ISO 10523 + 3 more
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MEGA S.a.S. di Licari Vincenzo & C.

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ACCREDIA 01007 Marsala, IT
ISO 4832 ISO 21527-2 DIN EN ISO 4833-1 DIN EN ISO 6579-1 DIN EN ISO 11290-1 + 3 more
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MEGA-LAB

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ACCREDIA 01227 Albano Sant'Alessandro, IT
Tensile testing of metallic materials (I Charpy impact test (ISO 148-1) DIN EN ISO 4136 DIN EN ISO 9016 DIN EN ISO 643 + 3 more
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MESA Meß- und Regeltechnik Vertriebs- und Service

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DAkkS D-K-20515-01-00 Filderstadt, DE
Temperaturmessgrößen - Direktanzeigende Thermometer - Thermopaare, Thermoelemente direktanzeigende > 200 °C Typ K –200 °C + 3 more
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MESSRING

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DAkkS D-K-22828-01-01 Ingolstadt, DE
Railway brake — disc brake components (U Kraft Gurtkraftaufnehmer SM 4500-N
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META PRELEVEMENTS

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COFRAC 1-6126 Escaudain, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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METAL SERVICES MATERIALS TESTING Srl a socio unico

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ACCREDIA 01118 Ronchi dei Legionari, IT
Tensile testing of metallic materials (I Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO DIN EN ISO 4136 DIN EN ISO 5173 + 3 more
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METALCAM SPA

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ACCREDIA 01323 Breno, IT
Tensile testing of metallic materials (I Charpy impact test (ISO 148-1) DIN EN ISO 6506-1 DIN EN ISO 6507-1 DIN EN ISO 643 + 3 more
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METALPROVE DI VESSIO LUIGI & C.

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ACCREDIA 01232 Bari, IT
DIN EN ISO 16810 DIN EN ISO 13588 DIN EN ISO 17637 DIN EN 13018 DIN EN ISO 5579 + 3 more
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METER UNDER TEST

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ENAC LC10.163 Badalona, ES
Rangos de caudal (m3/h): 1 m3/h ≤ Q < 25
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METRALAB SRL

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ACCREDIA 00477 Cadorago, IT
ISO 4831 ISO 4832 ISO 15214 ISO 21527-1 ISO 21527-2 + 3 more
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METROCAL CALIBRACIÓN

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ENAC LC10.236 San Ginés, ES
5 kg 1 g 2 g 5 g 10 g 20 g 50 g 100 g 200 g 5 10 kg 20 kg 100 kg 200 kg 500 kg 1000 kg 1 g 2 g 5 g 10 g 20 g 50 g 100 g 200 g 5 + 2 more
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METRODIM SRL

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BELAC 337-CAL Herstal, BE
Cales-étalons Eindmaten/Gauge blocks Acier/staal/steel Carbure de tungstène/wolfraamcarbide/tun Etalons pour Micromètres d’extérieur Ins Pieds à coulisse + 3 more
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METROPACK

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COFRAC 1-6986 Reims, FR
DIN EN 303-5 DIN EN ISO 12759 ASTM D4169 ASTM D4332 ASTM D5276 + 3 more
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MIBRAG GmbH Zentrallabor für Feste Brennstoffe und Kraftwerksanalytik

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DAkkS D-PL-14239-01-01 Zeitz, DE
DIN EN 27888 DIN EN 12880 DIN EN 932-1 DIN 18123 DIN EN 451-1 + 3 more
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MICRO SRL

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ACCREDIA 00747 Sulbiate, IT
ISO 21527-1 ISO 21527-2 ISO 11290-1 ISO 11290-2 ISO 21528-2 + 3 more
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MICROAMB

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ENAC LE2760 Bollullos de la Mitación, ES
ISO 5667-10 ISO 5667-6 ISO 5667-5 SM 4500-H+ B SM 2510 B + 3 more
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MICROLIFE LAB SRL

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ACCREDIA 00922 Inverigo, IT
ISO 18787 ISO 4832 ISO 15214 ISO 21527-1 ISO 21527-2 + 3 more
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MICROPOLLUANTS TECHNOLOGIE

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COFRAC 1-1151 Saint-Julien-Les-Metz, FR
DIN EN 27888 DIN EN 12880 DIN EN ISO 11885 DIN EN ISO 10523 DIN EN ISO 10304-1 + 3 more
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MIGLIORE LAB

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ACCREDIA 00214 Roccapiemonte - Fraz. Casali, IT
ISO 6222 EPA 524.2 1995 APAT CNR IRSA 2060 Man 29 2003 APAT CNR IRSA 5130 Man 29 2003 APAT CNR IRSA 2090 B Man 29 2003 + 2 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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