Scope
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
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NBN EN 16185-1
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DIN EN 16185-1
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BS EN 16185-1
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NF EN 16185-1
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UNI EN 16185-1
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UNE EN 16185-1
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NEN EN 16185-1
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NBN EN 13979-1
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DIN EN 13979-1
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BS EN 13979-1
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NF EN 13979-1
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UNI EN 13979-1
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QOP03 based on HSG 248
(PCM) based on HSG 248
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M3 based on HSG 248
(HSG 248) – 2022
UP02 based on HSG 248
UP03 based on HSG 248 and HSG
Ashcroft Instruments
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> 2,0 bar
positiver Überdruck
Absolutdruck Pabs
> 0,03 bar
> 7 bar
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Aspect Quality
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Salt spray / neutral salt fog test (ISO
ISO 16750-5
VDE 0468-2-1
DIN EN IEC 60068-2-5
VDE 0468-2-5
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ISO 4833-2
based on ISO 13366-2:2006
ISO 14675
UNI 10935
UNI 10934
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DIN EN ISO 5983-2
ISO 18787
ISO 21527-1
DIN EN ISO 4833-1
DIN EN ISO 6888-2
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based on ISO 13366-2:2006
ISO 9622
ISO 13366-2
AOAC DSM Delvotest SP-NT Visual n 011102
ISO 4832
DIN EN ISO 6888-2
ISO 6222
ISO 7899-2
ISO 9308-1
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BS EN 15662
UNI EN 15662
COI/T.20/Doc n 35/rev 1 2017
COI/T.20/Doc n 34/rev 1 2017
COI/T.20/Doc n 19/rev 5 2019
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AstraZeneca UK
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Betriebsübertragungsmaß
Hydraulic pressure (gauge)
AC CURRENT
RELATIVE HUMIDITY
DC CURRENT
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(PCM) based on HSG 248
Analysts’ Guide (HSG 248)
(HSG 248) – 2021 Asbestos: The
Railway braking — urban guided transport
Railway — traction effort and braking fo
mentschraubwerkzeuge
Druckkraftrichtung
0,2 N∙m
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DIN EN ISO 1463
DIN EN ISO 6270-2
DIN EN ISO 22479
DIN EN 60243-1
ISO 6270-2
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AttoDiagnostics
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OMIM*601129, CYP2C9
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Autostrade per l'Italia
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DIN EN 933-1
DIN EN 12697-1
DIN EN 12697-2
DIN 51436
DIN EN ISO 13473-1
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Ayerst Environmental
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(PCM) based on HSG 248
(HSG 248) – 2021 )
Surveying) based on HSG 248
DIN EN 27888
ISO 11731
ISO 16266-2
ISO 10304-1
ISO 6222
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ISO 21527-1
ISO 21527-2
DIN EN ISO 4833-1
DIN EN ISO 6579-1
DIN EN ISO 7932
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Azienda Sanitaria di Messina, Dipartimento della Prevenzione, U.O.C. Laboratorio di Sanità Pubblica
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DIN EN ISO 10304-1
VDE 414-9-11
ISO 11731
ISO 10304-1
ISO 6222
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ISO 6222
ISO 7899-2
ISO 9308-1
BS EN ISO 17294-2
Rapporti ISTISAN 2007/31 pag 55 Met
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B + B Thermo - Technik
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Railway braking — urban guided transport
Railway vehicle body structural requirem
Railway bogies — wheelsets and bogies st
Temperaturmessgrößen
mitter mit Thermo- > 550 °C
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BAE SYSTEMS (Operations)
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DIN EN 60068-2-14
DIN EN 60068-2-18
DIN EN 60068-2-78
IEC 60068-2-18
IEC 60068-2-64
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BAE Systems Marine
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Betriebsübertragungsmaß
DC Resistance
Hydraulic pressure (gauge)
TEMPERATURE
Measurement
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