01 Feedstock
Ore, monomer, fibre, mineral or scrap that can legally become Technical ceramics.
Technical ceramics · Crystalline oxides and carbides for heat, wear and electronics — not the mug on the desk.
Darker cells mean a higher score for this topic on that metric.
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Declared reaction class in this atlas: A1. Assemblies still need resistance tests.
Thermal mark 46/100 versus the atlas. Conductivity note: Al2O3 ~20–30; AlN higher; ZrO2 low.
3.2–6 g/cm³ class
Origin story: 20th c. spark plugs / WWII carbides (Germany / US / Japan).
Circularity mark 44/100 — editorial, route-specific.
often >2000 °C
heat 96 · fire 94
Making Technical ceramics is a chain: feedstock, conversion (20th c. spark plugs / WWII carbides), forming, heat, finish, install.
Skip a step and the properties chapter is describing a different object.
Ore, monomer, fibre, mineral or scrap that can legally become Technical ceramics.
20th c. spark plugs / WWII carbides
Cast, spin, weave, sinter, foam, laminate or coat — the step that sets anisotropy.
Temper, vulcanise, calcine or dry: skip it and the datasheet is fiction.
Coatings, sizings, facers, galvanizing, anodising, painting.
Fasteners, adhesives, DFT, compression, dryness — site quality is a material property.
Virgin route around Germany / US / Japan.
Recycling exists but quality or energy often disappoints.
High-spec grades leave the commodity mill.
Coatings, sprays, casts — the factory is sometimes a jobsite.
Feedstock to installed product.
Energy in, class out.
Melting/softening often >2000 °C; conductivity Al2O3 ~20–30; AlN higher; ZrO2 low.
Moisture, UV, chlorides, alkalis or oxygen — pick the one that actually kills Technical ceramics.
Fire class A1 is a starting letter, not a wall rating.
Process energy and scrap quality belong in the carbon passport, not in a footnote.
Frozen silicate liquid — windows, bottles, fibres and a Euroclass A1 skin that still shatters and melts in fire.
Overall 58 🏗️The hydraulic ceramic of cities — cement, water, rock and usually steel, with a fire story better than exposed steel.
Overall 57 🌲Anisotropic cellulose composite grown as trees — carpentry, mass timber and a combustible story that codes still manage.
Overall 57 🎋A fast grass culm sold as timber — scaffolding, flooring and a glue story that decides the indoor air.
Overall 55