Aluminijska folija je dobar toplinski izolator jer je loš vodič topline. Toplina se može prenijeti kroz materijal samo kondukcijom, konvekcija, odnosno zračenje. U slučaju aluminijske folije, Prijenos topline odvija se prvenstveno zračenjem, što je emisija elektromagnetskih valova s površine predmeta.
Aluminijska folija je sjajna, reflective material that reflects radiant heat back towards its source. This means that if you wrap an object in aluminum foil, it will reflect the heat from the object back towards the object, rather than allowing it to escape into the surrounding environment. This can help to keep the object warm or cool, depending on its temperature and the surrounding conditions.
Dodatno, aluminum foil is a thin material, which means that it does not have much mass to absorb and transfer heat. This makes it less effective as a conductor of heat, and therefore a better insulator.
Overall, aluminum foil’s combination of reflectivity and low thermal mass make it an effective heat insulator.
