Edward Parry lore
Early slag-wool anecdotes in iron districts.
矿物棉 · 熔融岩石或玻璃纺成的A1毡——规范里的默认不燃保温。
矿物棉 did not arrive as a finished commodity. Slag wool 19th c.; glass wool 1930s around US / Germany / Denmark 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.
Early slag-wool anecdotes in iron districts.
C.C. Hall and others industrialise mineral fibres.
Games Slayter’s glass wool process.
Stone wool as a branded building product.
Cavity walls filled at scale.
Indoor-air debates; later low-emitting binders.
European product standard for MW.
Dual-density façades.
After cladding fires, non-combustible insulation gained code weight.
Take-back of offcuts; still not a closed bottle loop.
Early slag-wool anecdotes in iron districts.
Games Slayter’s glass wool process.
Cavity walls filled at scale.
European product standard for MW.
After cladding fires, non-combustible insulation gained code weight.
Stone wool as a branded building product.
European product standard for MW.
Take-back of offcuts; still not a closed bottle loop.
Knowing this timeline is how to read a mill certificate without treating 矿物棉 as timeless.