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
๐Ÿ‡ฉ๐Ÿ‡ช DIN EN 16185-1 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN 16185-1 ๐Ÿ‡ซ๐Ÿ‡ท NF EN 16185-1 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN 16185-1 ๐Ÿ‡ช๐Ÿ‡ธ UNE EN 16185-1 ๐Ÿ‡ณ๐Ÿ‡ฑ NEN EN 16185-1 ๐Ÿ‡ฉ๐Ÿ‡ช DIN EN 13979-1 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN 13979-1 ๐Ÿ‡ซ๐Ÿ‡ท NF EN 13979-1 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN 13979-1 ๐Ÿ‡ช๐Ÿ‡ธ UNE EN 13979-1 ๐Ÿ‡ณ๐Ÿ‡ฑ NEN EN 13979-1
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Cardiff and Vale University Health Board, operating as WEQAS

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UKAS 4301 Llanishen, GB
Electrolytes in blood serum: Enzymes in blood serum: (Chlamydia pneumoniae, Mycoplasma urine: Hormones in blood serum: + 1 more
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Carymar Construction Services

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UKAS 27202 Paisley, GB
(HSG 264, 2012)
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Casa Environmental Services

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UKAS 7914 Willsbridge, GB
5 of HSG 227 (2004)) (HSG 264, 2012)
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Cavendish Laboratories

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UKAS 1643 Chelmsford, GB
(cdt), Deletion an Pos 117 (HSG 248) โ€“ 2021 (PCM) based on HSG 248 BS 6068-4.12:1998 (withdrawn)
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Chamois Metrology

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UKAS 0822 Southam, GB
Calibration of pressure Gas pressure (gauge) Gas Pressure (Differential) common mode pressure of 3.5 Hydraulic pressure (gauge) + 3 more
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Clearview Environmental

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UKAS 6536 Leicester, GB
(HSG 264, 2012) Appendix 5 of HSG 227 (2004))
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Clyde Environmental Consultants

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UKAS 9102 Bellshill, GB
(HSG 248) โ€“ 2021 SRV-002 based on HSG 248 (PCM) based on HSG 248
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CoMech Metrology

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UKAS 0318 Derby, GB
Chronic progressive external Depth Internal Dial gauges and dial test Caliper + 3 more
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Common Services Agency โ€“ NHS National Services Scotland

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UKAS 0595 1 South Gyle Crescent, GB
simulation. parameters and ranges) digital and analogue
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Compli Group

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UKAS 4332 Poole, GB
DC CURRENT DC Resistance Oscilloscope Calibration DC VOLTAGE CAPACITANCE + 3 more
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Construction Testing Solutions

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UKAS 4161 Leicester Forest East, GB
DIN EN 933-11 DIN EN 12390-3 DIN EN 933-3 DIN EN 12390-7 DIN EN 12697-5 + 3 more
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Construction Testing Solutions

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UKAS 0783 Duckmanton, GB
DC CURRENT LENGTH DC Resistance DC VOLTAGE Cold junction compensation + 3 more
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Core Surveys

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UKAS 6830 Fletching Common, GB
(HSG 248) โ€“ 2021 (PCM) based on HSG 248 (HSG 264, 2012)
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Corserv Solutions

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UKAS 0756 Redruth, GB
DIN EN 933-1 (PCM) based on HSG 248 (HSG 248) โ€“ 2021 DIN EN 932-1 DIN EN 932-2 + 3 more
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Crucial Environmental

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UKAS 9418 Worthing, GB
(HSG 264, 2012)
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Crusader Risk Management

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UKAS 31255 Swinton, GB
(HSG 264, 2012)
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Cube Environmental

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UKAS 6856 Basildon, GB
(HSG 248) โ€“ 2021 (HSG 264, 2012)
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DH Budenberg A division of WIKA Instruments

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UKAS 0138 Irlam, GB
Gas pressure (absolute) Gas pressure (gauge) Hydraulic pressure (gauge) Hydraulic Pressure (absolute) PRESSURE (contโ€™d) + 1 more
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DNKA

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UKAS 9730 Govan, GB
staining based on HSG 248. (PCM) based on HSG 248 (HSG 248) โ€“ 2021 QSOP 03 based on HSG 248 QSOP 01 based on HSG 248
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Decus Research

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UKAS 4303 Ammanford, GB
1) MS08P based on BS EN ISO MS02P based on BS EN ISO MS03P based on BS EN ISO MS06P based on BS EN ISO MF07P based on BS EN ISO + 3 more
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Devonport Royal Dockyard

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UKAS 0254 Plymouth, GB
Specific Values 1 ๏— RF Power RF Attenuation 10 MHz to 1 GHz Other values -20 dBm to +20 dBm
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Devonport Royal Dockyard

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UKAS 0687 Devonport, GB
BS 4206:1967 (superseded) ISO 5173 ISO 7438 BS EN ISO 9606-2:2004 BS 131-5:1965 + 3 more
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Don Whitley Scientific

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UKAS 0560 Bingley, GB
TIME INTERVAL TEMPERATURE parameters and ranges)
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E C L (2000)

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UKAS 0709 Forest Hall, GB
(PCM) based on HSG 248) (HSG 248) โ€“ 2021
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EDP Health Safety and Environment Consultants

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UKAS 9982 Waterside Court, GB
and Appx. 3 of HSG 227 (2004)) in Appendix 5 of HSG 227 (2004) guides HSG 264 (2012) and (HSG 264, 2012)
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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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