Heat Storage Insulation
Metal Rusting
Calcium Silica heat cond.: 0.0846 W/(m·K) @ 300°C
Perlite (low price version 1) heat cond.: heat cond.: 0.0446 W/(m·K) @ 300°C
Fiberglass Insulation
Krypton Gas 0.00943 W/(m·K)
Mineral Wool (up to 800°C)
Cellulose
Vacuum Pump and vacuum
Polyurethane Foam 0.02 W/(m·K) to 0.03 W/(m·K)
Polystyrene
Reflective film Polystyrene
Aluminum Foil (As Heat Refelector)
Reflective Foam (200°C max. use up to 150°C)
High temperature glues are available for all types of applications.
How to Choose the Right Insulation
Heat Storage Housing
Containers
Shipping Container Size expressed in cubic meters (m³):
The volume of a 40ft container is 67.8m³.
The volume of a 20ft container is 33.2 m³.
The volume of a 10ft container is 15.5m³.
The volume of a 8ft container is 9.9m³.
The volume of a 6ft container is 6m³.
Or just use a steel + concrete floor.