EN 13501-1

Reaction-to-Fire Testing

Reaction-to-fire tests classify the fire behaviour of construction products under the European Euroclass system (EN 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)
🇩🇪 DIN EN 13501-1 🇬🇧 BS EN 13501-1 🇫🇷 NF EN 13501-1 🇮🇹 UNI EN 13501-1 🇪🇸 UNE EN 13501-1 🇳🇱 NEN EN 13501-1 🇩🇪 DIN EN ISO 11925-2 🇬🇧 BS EN ISO 11925-2 🇫🇷 NF EN ISO 11925-2 🇮🇹 UNI EN ISO 11925-2 🇪🇸 UNE EN ISO 11925-2 🇳🇱 NEN EN ISO 11925-2
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DIN EN ISO 3596 DIN EN ISO 14780 BS ISO 18283:2022 DIN EN ISO 10893-6 DIN EN 61442 + 3 more
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UKAS 8644 Bury, GB
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DIN EN ISO 4264 DIN EN ISO 12185 DIN EN 1367-5 DIN EN ISO 13736 DIN EN ISO 3405 + 3 more
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UNE-EN ISO 868 ASTM D 2240 ISO 48-9 UNE 7050-3 UNE-EN ISO 10360-2 + 3 more
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ASTM E 415 21 DIN EN 15266 ASTM D 1329 UNI EN ISO 22391 DIN EN ISO 10140-1 + 3 more
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ENAC LE1238 Siero, ES
UNE-EN 12101-3 ISO 21927-3 UNE EN 13501-4
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ACCREDIA 00077 Volpiano, IT
IEC 60335-2-51 DIN EN 60068-2-30 DIN EN 60335-2-48 IEC 61000-6-1 IEC 60335-2-54: 2008 + 3 more
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UKAS 2684 Birchwood, GB
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UKAS 31733 Chorley, GB
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Taupunkttemperatur Railway braking — urban guided transport Widerstandssensor –40 °C bis > 5 °C bis + 3 more
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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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