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
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COFRAC 1-6059 Malakoff, FR
ISO 16740 NF X 43-257 NF X 43-298 NF X 43-050 NF X 43-269 + 3 more
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ACCREDIA 00536 Cerese di Virgilio, IT
ISO 4831 ISO 4832 ISO 21527-1 ISO 21527-2 DIN EN ISO 6579-1 + 3 more
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ACCREDIA 00225 Carmagnola, IT
ISO 18787 ISO 4832 ISO 21527-1 ISO 21527-2 DIN EN ISO 4833-1 + 3 more
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LA.RI.AN. IDROPUR di Rizzo ssa Elena & C.

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ACCREDIA 00379 Este, IT
DIN EN 13126-19 DIN EN 14346 DIN EN ISO 10304-1 DIN EN 14039 DIN EN ISO 16911-1 + 3 more
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UKAS 0671 Basildon, GB
(HSG 264, 2012) (HSG 248) – 2021 (PCM) based on HSG 248 MAAM 05 based on HSG 248
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ACCREDIA 00735 Nonantola, IT
DIN EN 13657 DIN EN 14346 DIN EN 14039 ISO 937 DIN EN ISO 10893-7 + 3 more
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ACCREDIA 01446 Ripalimosani, IT
dbSNP rs1800562, rs1799945, rs1800730, r DIN EN ISO 4833-1 DIN EN ISO 18593 DIN EN ISO 19458 DIN EN ISO 7730 + 3 more
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ACCREDIA 01789 Sandrigo, IT
DIN EN 13126-19 DIN EN ISO 16911-1 DIN EN 13284-1 DIN EN 14790 DIN EN 14789 + 3 more
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ISO 21527-2 DIN EN ISO 4833-1 DIN EN ISO 19458 ISO 11731 DIN EN ISO 4833-2 + 3 more
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ISO 4832 ISO 15214 ISO 21527-2 DIN ISO 16649-2 DIN EN ISO 4833-1 + 3 more
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ACCREDIA 00882 Maniago, IT
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LABAQUA, S.A. (Unipersonal)

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ENAC LE285 Alacant, ES
Railway passenger ride comfort evaluatio Railway wheel-rail interaction — roughne ISO 21527-1 ISO 5667-11 ISO 17353 + 3 more
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ACCREDIA 00197 Albenga, IT
ISO 18787 ISO 15214 ISO 21527-1 ISO 21527-2 DIN EN ISO 6888-2 + 3 more
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LABCO

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DAkkS D-PL-22035-01-00 Loxstedt-Stotel, DE
Salt spray / neutral salt fog test (ISO Anti-Yo p62 DIN EN ISO 9934-1 ISO 3795 ISO 6722-1 + 3 more
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LABEXAN

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COFRAC 1-5810 Cognac, FR
DIN EN ISO 16212 DIN EN ISO 18416 DIN EN ISO 21149 DIN EN ISO 21150 DIN EN ISO 22717 + 3 more
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ACCREDIA 02166 Casirate D'Adda, IT
DIN EN 15934 ISO 15705 EN 13087-2 EN 872 UNI EN 15934 + 3 more
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OIV-MA-AS312-01 OIV-MA-AS2-01 OIV-MA-AS313-15 OIV-MA-AS314-02 OIV-MA-AS313-01 + 2 more
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BELAC 296-TEST Zelzate, BE
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BELAC 452-TEST Herstal, BE
NF P94-117-1:2000 NBN B-34-001 SB 250 Hoofdstuk rioleringen en afvoer v NBN EN 13508-2 (Codification) BEFDSS-DP-vm (Format d'échange) + 3 more
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COFRAC 1-7016 - Javene, FR
DIN EN 27888 ISO 4831 DIN ISO 16649-2 DIN EN ISO 4833-1 DIN EN ISO 6579-1 + 3 more
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ACCREDIA 00632 Roma, IT
ISO 4832 DIN EN ISO 4833-1 DIN EN ISO 6579-1 DIN EN ISO 7932 DIN EN ISO 7937 + 3 more
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LABOCOR ANALÍTICA, S.L. (Unipersonal)

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ENAC LE1912 Colmenar Viejo, ES
AOAC 985.35 UNE EN ISO 6869 AOAC 995.11 UNE-EN 17298
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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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