Buildings
Structure, lining, insulation or finish depending on family.
ガラス earns its keep in systems: a beam, a batt, a fibre blend, a coated steel — rarely a lone coupon.
Products below are cultural landmarks as much as SKUs.
産業
Transport
Mass, fire and fatigue rewrite the grade list.
Energy
Heat, voltage and hydrogen compatibility.
Consumer
The volume that pays for the mill.
Medical / food
When allowed — extractables and allergies matter.
Defence / safety
Ballistics, FR clothing, fire stops.
製品
Pilkington float
1959
Portland Vase
Roman
Crystal Palace
1851
Owens machine
1903
Low-e IGU
1980s–
Gorilla ガラス
2007–
Stained cathedral
medieval
ガラス wool cousin
1930s–
組み合わせ
technical-ceramics
Crystalline cousins that do not flow like glass.
mineral-wool
ガラス wool is the fibrous insulation form.
gypsum-board
The usual fire wall next to glazing.
aerogel
Transparent insulation research vs IGU.
If the pairing is wrong, the material will be blamed for a system fault.