EN 13501-1

Reaction-to-Fire Testing

Reaction-to-fire tests classify the fire behaviour of construction products under the European Euroclass system (ENย 13501-1). They measure ignitability, flame spread, heat release, smoke production, and flaming droplets. Euroclass classification is mandatory for construction products placed on the EU market under the Construction Products Regulation (CPR).

What it measures

  • Ignitability (Class E -- single flame source)
  • Flame spread and heat release rate (Classes B/C/D -- SBI test)
  • Smoke production (s1/s2/s3 sub-classification)
  • Flaming droplets (d0/d1/d2 sub-classification)
  • Non-combustibility (Class A1/A2 -- furnace + calorimeter)
๐Ÿ‡ฉ๐Ÿ‡ช DIN EN 13501-1 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN 13501-1 ๐Ÿ‡ซ๐Ÿ‡ท NF EN 13501-1 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN 13501-1 ๐Ÿ‡ช๐Ÿ‡ธ UNE EN 13501-1 ๐Ÿ‡ณ๐Ÿ‡ฑ NEN EN 13501-1 ๐Ÿ‡ฉ๐Ÿ‡ช DIN EN ISO 11925-2 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN ISO 11925-2 ๐Ÿ‡ซ๐Ÿ‡ท NF EN ISO 11925-2 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN ISO 11925-2 ๐Ÿ‡ช๐Ÿ‡ธ UNE EN ISO 11925-2 ๐Ÿ‡ณ๐Ÿ‡ฑ NEN EN ISO 11925-2
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UKAS 0595 1 South Gyle Crescent, GB
simulation. parameters and ranges) digital and analogue
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UKAS 4332 Poole, GB
DC CURRENT DC Resistance Oscilloscope Calibration DC VOLTAGE CAPACITANCE + 3 more
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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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UKAS 0783 Duckmanton, GB
DC CURRENT LENGTH DC Resistance DC VOLTAGE Cold junction compensation + 3 more
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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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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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UKAS 1833 Market Drayton, GB
IEC 61000-6-1 IEC 61000-4-10: 2016 IEC 61000-4-29: 2000 DIN EN 61000-4-12 IEC 61000-4-11: 2004 + 3 more
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UKAS 30213 Derby, GB
Surface plates LENGTH Straight edges
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UKAS 9418 Worthing, GB
(HSG 264, 2012)
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UKAS 31255 Swinton, GB
(HSG 264, 2012)
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UKAS 6856 Basildon, GB
(HSG 248) โ€“ 2021 (HSG 264, 2012)
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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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UKAS 0143 Letchworth Garden City, GB
LENGTH Blade type Straight edges Surface plates External micrometer + 3 more
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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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UKAS 7783 Belfast, GB
DIN EN 12469 EN 14175-3-2004
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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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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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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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UKAS 0560 Bingley, GB
TIME INTERVAL TEMPERATURE parameters and ranges)
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UKAS 0709 Forest Hall, GB
(PCM) based on HSG 248) (HSG 248) โ€“ 2021
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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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UKAS 2794 Brighton, GB
staining based on HSG 248 (HSG 248) โ€“ 2021 (PCM) based on HSG 248
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UKAS 23361 Leigh, GB
DIN EN 1863-1 BS EN ISO 10077-1:2006 published 2024) for BS EN DIN EN 1863-2 BS EN ISO 10077-2:2017 + 3 more
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UKAS 8175 Ellesmere Port, GB
DIN EN 13012 DIN EN 1755 DIN EN 13617-3 EN 13616:2004 EN 13617-4:2021 + 3 more
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UKAS 2398 Hull, GB
(HSG 248) โ€“ 2021 (PCM) based on HSG 248
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Industries

Construction Building Materials Insulation Flooring Facades

Related Standards

  • EN 13501-1 Fire classification of construction products -- Reaction to fire
  • EN ISO 11925-2 Ignitability of products subjected to direct impingement of flame
  • EN 13823 Building products exposed to thermal attack by single burning item (SBI)
  • EN ISO 1182 Reaction to fire -- Non-combustibility test

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