EN 15461

Railway Brake Friction Material Characterisation

This test characterises the friction properties and thermal behavior of brake pads and brake blocks used in railway braking systems, ensuring consistent performance and safety across diverse operating conditions. The test evaluates friction coefficients at various temperatures, pressure levels, and speeds to validate that materials meet performance specifications for both passenger and freight applications. Accurate characterisation is essential for brake system designers to predict braking performance and prevent brake fade or instability. Accreditation guarantees that testing is performed with validated equipment and procedures, supporting regulatory compliance and safe brake system design.

What it measures

  • Friction coefficient at varying temperatures
  • Friction coefficient dependence on pressure and sliding speed
  • Thermal fade and recovery characteristics
  • Wear rate and material degradation
  • Vibration and noise generation potential
🇩🇪 DIN EN 15152 🇬🇧 BS EN 15152 🇫🇷 NF EN 15152 🇮🇹 UNI EN 15152 🇪🇸 UNE EN 15152 🇳🇱 NEN EN 15152 🇩🇪 DIN EN 13571 🇬🇧 BS EN 13571 🇫🇷 NF EN 13571 🇮🇹 UNI EN 13571 🇪🇸 UNE EN 13571 🇳🇱 NEN EN 13571
1,323 Accredited labs
15 Countries

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EUROFINS IPROMA, S.L. (Unipersonal)

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ENAC LE268 Castellón de la Plana, ES
UNE 77061 UNE-EN ISO 15681-2 SM 4500-NH3 F UNE-EN ISO 8467 UNE-EN ISO 6878 + 3 more
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EXOLUM CORPORATION

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ENAC LE236 Loeches, ES
UNE-EN ISO 20884 UNE-EN ISO 12185 UNE-EN ISO 12156-1 ASTM D 93 ASTM D 2622 + 3 more
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FAURECIA INTERIOR SYSTEMS SALC ESPAÑA

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ENAC LE2759 Paterna, ES
ISO 2409 ISO 3795 DIN EN 1464 Railway brake — anti-slide device (UIC 5
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FREMAP, MUTUA COLABORADORA CON LA SEGURIDAD SOCIAL Nº 61

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ENAC LC10.004 Majadahonda, ES
CEM DI-013 UNE 17-710-78
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FUNDACION TEKNIKER

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ENAC LC10.018 Eibar, ES
EURAMET CG-2 CEM DI-014 CEM DI-037 UNE-EN ISO 2178 UNE-EN ISO 16809 + 3 more
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FUNDACIÓN CENTRO TECNOLÓGICO DE MIRANDA DE EBRO.

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ENAC LE2003 Miranda de Ebro, ES
UNE-EN 2557 UNE-EN 2002-001 ISO 6508-1 UNE-EN 2559 ASTM B557 + 3 more
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FUNDACIÓN IDONIAL

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ENAC LE154 Gijón, ES
ASTM E 415 UNE-EN ISO 15350 ASTM E 1086 UNE-EN 10276-2 UNE-EN ISO 15351 + 3 more
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FUNDACIÓN PARA LA INVESTIGACIÓN, DESARROLLO Y APLICACIÓN DE MATERIALES COMPUESTOS

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ENAC LE2107 Getafe, ES
ISO 6721-1 ISO 11357-5 ISO 6721-11 ISO 11357-1 ASTM E2602 + 3 more
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FUNDACIÓN TECNALIA RESEARCH & INNOVATION

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ENAC LE024 Derio, ES
UNE-EN 772-20 UNE-EN 772-13 UNE-EN 772-1 UNE-EN 772-21 UNE-EN 772-3 + 3 more
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GECI ESPAÑOLA

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ENAC LC10.116 Puerto de Santa María, ES
3 mV  U < 330 mV 0,33 V  U < 3,3 V 3,3 0 mV  U < 200 mV 200 mV  U < 2 V 2 V  0 mV  U  100 mV 0,1 V < U  1 V 1 V < 5 mV  U  30 V 10 mV  U < 33 mV 50 Hz  f  1 kHz 1 kH + 3 more
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GEOLAB TESTING LABORATORY

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ENAC LE2121 Llinars del Valles, ES
ISO 9994 ISO 22702 ASTM F400 ASTM F2201
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GOMETRICS

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ENAC LC10.194 Palau-solità i Plegamans, ES
EURAMET cg-18 CEM cg-19 UNE-EN ISO 14644-3 UNE-EN ISO 14644-1
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GUADARRAMA-FLOW, S.L. (Unipersonal) (G-FLOW)

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ENAC LC10.219 Galapagar, ES
9,8 L ≤ V ≤ 10,2 L (25 L/h ≤ Q ≤ 500 L/h 98 L ≤ V ≤ 104 L (250 L/h ≤ Q ≤ 5000 L/h 970 L ≤ V ≤ 1005 L (2500 L/h ≤ Q ≤ 20000 1305 L ≤ V ≤ 1350 L (5000 L/h ≤ Q ≤ 8000 2660 L ≤ V ≤ 2700 L (5000 L/h ≤ Q ≤ 1000
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IDIADA AUTOMOTIVE TECHNOLOGY

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ENAC LE159 Santa Oliva, ES
DIN EN 1385 EN 17092-1:2020 DIN EN ISO 5077 EN 1317-1 DIN EN ISO 13688 + 3 more
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INERCO INSPECCIÓN Y CONTROL

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ENAC LE774 Sevilla, ES
UNE-EN 15259 UNE-EN 13284-1 UNE 77225 EPA 8 UNE 77227 + 3 more
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INGENIERÍA MAGNÉTICA APLICADA, S.L. (Unipersonal)

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ENAC LE2882 Ripollet, ES
UNE-EN 60404-14 0 mT ≤ B ≤ 75,7 mT (196 ± 3) mT (990 ± 4 3 mT ≤ B ≤ 300 mT 300 mT ≤ B ≤ 1600 mT
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INSTITUTO DE CIENCIAS DE LA CONSTRUCCIÓN EDUARDO TORROJA (IETcc) DE LA AGENCIA ESTATAL CONSEJO SUPERIOR DE INVESTIGACIONES CIENTÍFICAS (CSIC).

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ENAC LE2284 Madrid, ES
UNE-EN 12667 UNE-EN 14509 UNE-EN ISO 29470 UNE-EN 826 UNE-EN 1607 + 3 more
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INTA

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ENAC LC10.007 Torrejón de Ardoz, ES
ISO 16063-21 EN 55016-1-6 CEM EL-025 UNE-EN ISO 376 UNE-EN ISO 7500-1 + 3 more
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INTA

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ENAC LE1285 Torrejón de Ardoz, ES
UNE-EN ISO 10704 UNE 73350-1 UNE 73311-5 ISO 11665-4 UNE 31010 + 1 more
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INSTITUTO TECNOLOGICO DE ARAGON (ITA)

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ENAC LE257 Zaragoza, ES
IEC 61000-4-13: 2002 DIN EN 50121-3-2 IEC 61000-3-2: 2014 DIN EN 60601-1-2 IEC 61000-3-3 + 3 more
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INSTITUTO TECNOLÓGICO DE LA ENERGÍA (ITE)

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ENAC LE554 Paterna, ES
IEC 61000-3-2: 2014 UNE-EN IEC 61000-3-2 UNE-EN 61000-3-2 UNE-EN IEC 61000-6-4 IEC 61000-3-3 + 3 more
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INSTITUTO TECNOLÓGICO Y GRÁFICO TAJAMAR, (ITGT) DEL CENTRO CULTURAL Y DEPORTIVO TAJAMAR

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ENAC LC10.149 Madrid, ES
(380 - 780 nm) 1 < R ≤ 100 0,01< DO ≤ 0,1 0,1 < DO ≤ 0,3 1,1 < DO <
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INSTITUTO VALENCIANO DE MICROBIOLOGIA

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ENAC LE1286 Bétera, ES
DIN EN 1040 DIN EN 1656 DIN EN 14561 IEC 60127-6 DIN EN 13727 + 3 more
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INSTRUMENTACIÓN ANALITICA

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ENAC LC10.164 Prat de Llobregat, ES
(500 ± 50) mPa · s (12500 ± 1250) mPa ·
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INSTRUMENTOS TESTO

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ENAC LC10.091 Cabrils, ES
2 · 10-6 mol/mol  C  100 · 10-6 mol/mo
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Industries

Brake pad and block manufacturers Rolling stock manufacturers Braking system integrators and suppliers Railway maintenance and depot operators Material testing and research laboratories

Related Standards

  • EN 15152 Railway applications - Braking systems on rail vehicles - General requirements and definitions
  • EN 13571 Railway applications - Brakes - Disc brake pads - Specifications and approval
  • EN 14363 Railway applications - Testing and Simulation for the acceptance of running characteristics of railway vehicles

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