Scope
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)
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DIN EN 13501-1
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BS EN 13501-1
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NF EN 13501-1
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UNI EN 13501-1
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UNE EN 13501-1
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NEN EN 13501-1
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DIN EN ISO 11925-2
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BS EN ISO 11925-2
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NF EN ISO 11925-2
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UNI EN ISO 11925-2
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UNE EN ISO 11925-2
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NEN EN ISO 11925-2
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EN 13501-6
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