UIC 541-1

Railway Brake Blocks Homologation Testing

This test establishes the homologation (type approval) conditions and performance criteria for new types of brake blocks intended for use on European railway vehicles. It defines the testing protocols, acceptance criteria, and documentation requirements that manufacturers must meet to gain approval for market use. Brake blocks must demonstrate consistent friction coefficient, wear resistance, thermal stability, and compatibility with various disc types and operating conditions. Accreditation for homologation testing is mandatory for brake block manufacturers and ensures that only proven, safe brake components are deployed on European rail networks, protecting operational safety and enabling interoperability.

What it measures

  • Friction coefficient (warm and cold conditions)
  • Wear rate and service life prediction
  • Thermal behavior and heat resistance
  • Dimensional stability and tolerances
  • Compatibility with standard disc materials and designs
🇩🇪 DIN EN 15877 🇬🇧 BS EN 15877 🇫🇷 NF EN 15877 🇮🇹 UNI EN 15877 🇪🇸 UNE EN 15877 🇳🇱 NEN EN 15877
1,560 Accredited labs
17 Countries

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Sperrin Technical Laboratories

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UKAS 10817 Moneymore, GB
AM01 based on BS EN ISO 4833-1: AM03 based on BS EN ISO 11290- AM05 based on BS ISO 21528-2: AM08 based on BS EN ISO 15213-2:2023 by AM12 based on BS EN + 3 more
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SpineServ

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DAkkS D-PL-13415-02-00 Ulm, DE
DIN EN ISO 9626 ISO 7206-13 ISO 7206-12 ISO 7206-10 ISO 7206-4 + 3 more
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Springfields Fuels

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UKAS 1170 Salwick, GB
LMM2149, ASTM E112-13 by ISO 6507-1 LMM2207, ASTM E112-13 by LMM1862, ASTM E112-13 for to BS EN ISO 6507-1:2018 + 3 more
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St Helena Public Health Laboratory

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UKAS 4564 South Atlantic Ocean STHL1ZZ, SH
FM003 based on ISO 6888- FM004 based on ISO 16649-2:2001 FM006 based on ISO 6579-1:2017+Amd 1:202 FM009 based on ISO 11290-1:2017 2) WM005 based on ISO 9308-2:2012 using + 1 more
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Staatliche Betriebsgesellschaft für Umwelt und Landwirtschaft

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DAkkS D-PL-14420-01-01 Radebeul, DE
DIN 38402-A 13 DIN EN ISO 5667-6 (A 15) DIN EN ISO 5667-1 (A 4) DIN EN ISO 5667-3 (A 21) DIN 38404-C 4 + 3 more
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Staatsbetrieb für Mess- und Eichwesen Eichamt Leipzig Kalibrierlaboratorium

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DAkkS D-K-15137-01-00 Leipzig, DE
Kraft Vibration measuring instruments — requir Sound power — survey method (ISO 3746) 1 kN Railway brake — automatic variable load + 3 more
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Stadt Passau Klinikum Passau Institut für Labor- und Transfusionsmedizin

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DAkkS D-ML-22372-01-00 Passau, DE
Großes Blutbild Kleines Blutbild Erythrozyten Hämoglobin Hämatokrit + 3 more
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Starna Scientific

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UKAS 0659 Hainault, GB
Sealed liquid cells containing prepared from NIST SRM 935a Toluene/Hexane Neutral density glass filters Neutral density glass filter + 3 more
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Steinbeis GmbH & Co. KG für Technologietransfer TQI Metricon Kalibrierservice

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DAkkS D-K-11200-01-00 Gosheim, DE
Lehrdorne Durchmesser 1 mm Lehrringe Prüfstifte Messschieber für 0 mm + 3 more
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Stiebel Eltron GmbH & Co. KG Kalibrierlabor Elektrolabore

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DAkkS D-K-21191-01-01 Holzminden, DE
- Gleichspannung / Messgeräte 1 µV > 330 mV 3,3 V + 3 more
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Stiftung für Pathobiochemie und Molekulare Diagnostik Referenzinstitut für Bioanalytik

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DAkkS D-K-15117-02-01 Hannover, DE
Glucose Plasma, Serum, Plasma 0,5 mmol/L Bilirubin 5 µmol/L Hämoglobin 1,24 mmol/L + 3 more
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Stockmann Prüf- und Qualitätszentrum

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DAkkS D-K-15212-01-01 Leubingen, DE
Parallelendmaße aus 0,5 mm Parallelendmaße aus Keramik nach 0,5 mm Wolframkarbid nach 0,5 mm DIN EN ISO 3650:1999 + 3 more
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Storm Aviation

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UKAS 26223 Little Canfield, GB
TORQUE Hydraulic pressure (gauge)
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Studenroth Präzisionstechnik

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DAkkS D-K-15146-01-01 Schöneck-Kilianstädten, DE
− Parallelendmaße − Durchmesser − Längenmessmittel Railway brake — magnetic track brakes (U − Längenmessgeräte + 3 more
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Städtisches Klinikum Dessau Institut für Klinische Chemie und Laboratoriumsdiagnostik

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DAkkS D-ML-17443-01-00 Dessau-Roßlau, DE
WBC (Leukozyten) RBC (Erythrocyten) HGB (Hb) HCT (Hk) PLT (Thrombozyten) + 3 more
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Suchy Messtechnik

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DAkkS D-K-23061-01-01 Lichtenau, DE
Druck 50 mbar Absolutdruck Pabs > 1,3 bar > 2,5 bar > 0,6 bar + 3 more
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Surrey County Council

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UKAS 0731 Guildford, GB
DIN EN 933-11 DIN EN 1097-6 DIN EN 1097-1 DIN EN 1097-2 DIN EN 933-3 + 3 more
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Swindon Asbestos Surveying

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UKAS 4608 Swindon, GB
(HSG 264, 2012)
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Sychem

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UKAS 25291 Chandler's Ford, GB
parameters and ranges)
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SysKal

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DAkkS D-K-21604-01-00 Steinheim an der Murr, DE
Hexagon Metrology Raumdiagonale von GmbH, Wetzlar, D ≤ 1500 mm Polyworks, Software von InnovMetric, Lindau, D PowerINSPECT, Software + 3 more
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Systems Engineering Kalibrierlaboratorium

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DAkkS D-K-19425-01-01 Stolberg, DE
- Gleichspannung > 0,1 V > 10 V > 100 V - Gleichstromstärke + 3 more
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Sächsisches Institut für die Druckindustrie GmbH -Institut des Vereins POLYGRAPH Leipzig e. V. - Prüflabor

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DAkkS D-PL-11119-01-00 Leipzig, DE
ISO 5-3 ISO 12647-1 ISO 13655
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Sächsisches Textilforschungsinstitut e. V. Prüfstelle

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DAkkS D-PL-11239-01-05 Chemnitz, DE
ISO 3074 DIN EN ISO 1833-4 DIN EN ISO 1833-5 DIN EN ISO 1833-6 DIN EN ISO 1833-7 + 3 more
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T-SQUARED Validair

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UKAS 4264 Co Durham, GB
ISO 14644-3 DIN EN 12469 BS 7989:2001 BS EN ISO 14644-1:2015 DIN EN 14175-3 + 1 more
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TAB Technische Gesellschaft für Analytik und Beratung

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DAkkS D-PL-17142-01-01 Stahnsdorf, DE
DIN ISO 11466 UNE-EN 12880 ÖNORM EN 12457-4 ISO 10523 DIN EN 27888 + 3 more
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Industries

Brake block material manufacturers Railway component suppliers Railway rolling stock manufacturers Railway operators and maintenance services Notified bodies and certification authorities

Related Standards

  • UIC 541-02 Railway brakes — Brake blocks
  • UIC 541-03 Railway brakes — Disc brake components
  • EN 15877 Railway applications — Brake blocks — Specification and approval of composite brake blocks for freight wagons

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