Mineral wool in 1970s: Energy-crisis batts · 507
Mineral wool (Ca-Mg-Al silicates / soda-lime glass fibres) is a family of grades whose density 20–150 kg/m³ pr The behaviour of Mineral wool is written as 1970s’s “Energy-crisis batts,” fixed by 0. An advert’s adjective is not a melting point. “Room temperature” alone is not a figure. Ask for the test report that matches the assembly, not a material brochure with a letter.
Mineral wool (Ca-Mg-Al silicates / soda-lime glass fibres) is a family of grades whose density 20–150 kg/m³ products, heat band softens ~1000 °C class (stone), and fire letter A1. Mineral wool is sold as grades, not as a single substance. Chemistry Ca-Mg-Al silicates / soda-lime glass fibres, density 20–150 kg/m³ products, heat band softens ~1000 °C class (stone).
This atlas treats Mineral wool as a system: mill route, coatings, tests and the cavity it sits in. Conductivity note: λ ~0.032–0.040 W/m·K typical batts. Insulation score 86/100 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: Slag wool 19th c.; glass wool 1930s, US / Germany / Denmark. The process chapter follows feedstock → conversion → forming → finish → install. Uses span buildings to defence / safety. Pairings matter: polyurethane-foam. Circularity mark 58/100. Ask which scrap, which certificate, which year.
“Energy-crisis batts” for Mineral wool in 1970s carries 0. Praise without that figure is not a property.1970s
Figures to keep
- Year of the condition
- 1970s
- Property figure
- 0
- Material
- Mineral wool
- Use line
- Energy-crisis batts
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