What is thermal insulation and how does it work in a refrigerator?

    1. Thermal insulation refers to the prevention of heat from either entering or escaping an enclosure.
    2. Thermal insulation keeps the inside of a fridge cold by obstructing the movement of heat through its inner walls.
    3. This leads to impressive cooling performance to extend the freshness of your perishable goods.
    4. Polyurethane rigid foam is the insulating material that is most widely used for refrigerators and freezers.



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