Dear Sir or Madame, I am looking for a supplier for beryllium foil to be used for x-ray windows with following dimensions and amounts: 15 mm x 0.1 mm - 10 pieces 18 mm x 0.1 mm - 10 pieces Probably in the future I'd also need some other dimensions and thicknesses. Thank you very much in advance and kind regards. Bartek Lechowski