Reaction to Fire vs Fire Resistance: What Each Test Proves
Reaction to fire ranks how a product feeds a growing fire. Fire resistance times how long an assembly holds. Mixing up the two has killed people.
📊 Fire Testing
Cone calorimetry, FTIR, fire test standards.
Euroclass A to F: How Europe Rates Reaction to Fire
A Euroclass such as B-s1,d0 comes from the SBI test. Here is what each letter measures, and why a component class never proves a facade will hold.
UL 94 V-0 Decoded: What the Plastic Fire Rating Means
A UL 94 V-0 mark means a plastic bar self-extinguishes under a 50 W flame. Here is what the test measures, and the four things it never promises.
ASTM E84 vs ISO 9705: Why Fire Tests Disagree on Walls
How the ASTM E84 Steiner Tunnel and the ISO 9705 room corner test can rate the same wall lining Class A and a flashover hazard, and which to trust.
Heat Release Rate: Why HRR Is the King of Fire Science
Why heat release rate is the single most important number in fire science: how labs measure it, what it predicts, and why it outranks smoke toxicity.
Cone Calorimeter 101: HRR, THR, and MARHE Explained
What a cone calorimeter measures — peak heat release rate, total heat release, and MARHE — plus the oxygen-consumption math behind every number.