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Flask

  • 13-11-2010 5:36pm
    #1
    the watchman
    Registered Users, Registered Users 2 Posts: 835 ✭✭✭


    Hi All,
    Question is regarding a normal flask that keeps liquid hot or cold as required.

    Could someone tell me what the inside of a flask is made of please. I am referring to that shiny silver lining that the liquid is contained in. I remember one breaking years ago and it looked like glass. Is it glass painted silver or is it a very fragile and shiny thin piece of metal.

    Thanks all.


Comments

  • #2
    Dizzyblonde
    Moderators, Category Moderators, Politics Moderators, Recreation & Hobbies Moderators, Society & Culture Moderators, Regional East Moderators Posts: 12,110 CMod ✭✭✭✭Dizzyblonde


    I think it's made up of two layers of silvered glass with a vacuum between them. More information here http://www.bookrags.com/research/vacuum-bottle-woi/

    Nowadays you can also get ones with metal inserts that are unbreakable.


  • #3
    the watchman
    Registered Users, Registered Users 2 Posts: 835 ✭✭✭the watchman


    Thank you Dizzy,
    That site was very useful. I was concerned that the silver stuff was aluminium. I don't think it is.
    Thanks again.


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