Ceramic fibre in 2020s: RCF substitution
Read the condition on Ceramic fibre before the nickname. Year 2020s, line “RCF substitution,” figure 1260. Structural steel and ducts — check which fibre. A material is what it is made of, the condition it survives, and where it goes afterward. Ceramic fibre under “RCF substitution” in 2020s should say which, with 1260 tied to the condition. A figure with no condition is a boast. Readers meet the name on the back of a product, so the code and the history should not share one sentence.
This atlas treats Ceramic fibre as a system: mill route, coatings, tests and the cavity it sits in. Conductivity note: λ rises with T; still far below brick. Insulation score 80/100 is relative to 32 entries — metals lose, VIPs and aerogels win. Fire letter in editorial use: A1. Do not equate A1 with “safe in a blaze” or E with “illegal”. Assemblies decide.
Origin: 1940s–60s US/JP; EU RCF classification 1990s, United States / Japan / EU. The process chapter follows feedstock → conversion → forming → finish → install. Uses span buildings to defence / safety. Pairings matter: mineral-wool. Circularity mark 34/100. Ask which scrap, which certificate, which year.
Related atlas entries, a short glossary, and three threads that keep Ceramic fibre honest. Thin-film steel protection vs fibre wraps. 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 Ceramic fibre, 2020s, and 1260. “RCF substitution” is the condition on the figure.2020s
Figures to keep
- Year of the condition
- 2020s
- Property figure
- 1260
- Material
- Ceramic fibre
- Use line
- RCF substitution
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