Gypsum plaster
Jericho and Egypt used burnt gypsum.
Gipskarton · CaSO4·2H2O-Platten, die durch Calcinieren Feuerwiderstand kaufen.
Gipskarton did not arrive as a finished commodity. Sackett 1894; US Gypsum 1916 around United States still explains who makes it and which tests it sits in.
Ten dated points, five eras and three milestones below are the spine — not a complete industrial history.
Jericho and Egypt used burnt gypsum.
Paper-faced gypsum panels in the US.
US Gypsum brands the wall.
Speed over lath-and-plaster.
Glass fibres in core for fire assemblies.
12.5 mm as the module.
Green / blue boards, still not exterior grade.
European board types (A, F, H, D…).
Multiple layers for EI 60–120.
Closed-loop from jobsite offcuts in some markets.
Jericho and Egypt used burnt gypsum.
US Gypsum brands the wall.
Glass fibres in core for fire assemblies.
Green / blue boards, still not exterior grade.
Multiple layers for EI 60–120.
Speed over lath-and-plaster.
Green / blue boards, still not exterior grade.
Closed-loop from jobsite offcuts in some markets.
Knowing this timeline is how to read a mill certificate without treating Gipskarton as timeless.
DuPont-Meta-Aramid: Einsatzkleidung, Elektroisolierpapier, Kohle ohne Schmelztropfen.
Gesamt 65 🧯Anstriche, die zu isolierender Kohle aufschäumen — R-Klasse ohne dicke Platten.
Gesamt 58 🌡️Feuerfeste Fasern für 1000–1400 °C: Ofen, Dichtung, Atemfaser-Vorsicht, die AES mildern will.
Gesamt 62