1892
Dewar flask
Vacuum as insulation, cylindrical.
真空绝热板 did not arrive as a finished commodity. Dewar 1892 idea; building VIPs 1990s– around Scotland / Germany / Japan 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.
起源
Dewar 1892 idea; building VIPs 1990s–Scotland / Germany / Japan
年表
1892Dewar flask
Vacuum as insulation, cylindrical.
1930sThermos brand
Consumer vacuum bottles.
1950sCryogenic MLI
Multilayer insulation in space and LNG.
1990sJapanese fridge VIPs
Thin walls, more litres.
1999+va-Q-tec / Porextherm
European building panels.
2000sFumed-silica cores
Better ageing than glass-fibre cores in some claims.
2010sEN 17140 talk
Product standards catch up.
2010sHistoric retrofit
Internal wall insulation where thickness is illegal.
2020sEdge thermal bridges
Declared λ vs installed U-value honesty.
2020sEV battery VIP
Pack-level thermal.
时代
1950s
Cryogenic MLI
Multilayer insulation in space and LNG.
1999+
va-Q-tec / Porextherm
European building panels.
2010s
EN 17140 talk
Product standards catch up.
2020s
Edge thermal bridges
Declared λ vs installed U-value honesty.
里程碑
Japanese fridge VIPs
1990sThin walls, more litres.
EN 17140 talk
2010sProduct standards catch up.
EV battery VIP
2020sPack-level thermal.
Knowing this timeline is how to read a mill certificate without treating 真空绝热板 as timeless.