Intumescent coating in : acid source + carbon + spumific (typical APP/PER/MEL)

Read the condition on Intumescent coating before the nickname. Year , line “acid source + carbon + spumific (typical APP/PER/MEL),” figure 30. Fire behaviour is an editorial 0–100 mark relative to the other 31 materials in this atlas — not a laboratory certificate.

This atlas treats Intumescent coating as a system: mill route, coatings, tests and the cavity it sits in. Conductivity note: char foam becomes the insulator. Insulation score 70/100 is relative to 32 entries — metals lose, VIPs and aerogels win. Fire letter in editorial use: coating on A1 steel; system tested. Do not equate A1 with “safe in a blaze” or E with “illegal”. Assemblies decide.

Origin: 1960s–70s commercial IFR; cellulosic vs hydrocarbon curves, US / UK / DE. The process chapter follows feedstock → conversion → forming → finish → install. Uses span buildings to defence / safety. Pairings matter: steel. Circularity mark 42/100. Ask which scrap, which certificate, which year.

Related atlas entries, a short glossary, and three threads that keep Intumescent coating honest. EN 13501-1 reaction-to-fire letter (A1–F), not a wall rating. Thermal conductivity in W/m·K. Lower means better bulk insulation. Declared performance after blowing-agent or moisture drift.

The label keeps Intumescent coating, , and 30. “acid source + carbon + spumific (typical APP/PER/MEL)” is the condition on the figure.30

Figures to keep

Year of the condition: 30
Property figure: 30
Material: Intumescent coating
Use line: acid source + carbon + spumific (typical APP/PER/MEL)

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