|MadSci Network: Physics|
Hi I have a question about insulation and bubble foil: When combining Aluminium foil and bubble wrap does it matter what order these materials are in? For example would a sheet of insulation with two sheets of bubble wrap in between two sheets of alu foil have the same insulating characteristics as one sheet of bubble wrap between two sheets of alu foil with the second sheet of bubble wrap next to the inside sheet of foil? So what we have is four layers (foil-bubble-bubble-foil) on the one sheet and four layers (foil-bubble-foil-bubble) on the second sheet. Same or different? I need to send some food through the post packaged with an ice pack and want it to stay chilled for at least 48 hours. Thanks and hope you can help. Regards David
Re: Insulating properties of bubble wrap and aluminium foil
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