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  1. pro_cube

    PET sticky residue when heating with steam

    I should perhaps add that I did not see this sticky residue for years until now with sleeve A, and I am struggling to find out what the root cause may be. Unless the sleeve supplier has changed their raw materials (which they are claiming they have not). I'm hoping to try and get some old...
  2. pro_cube

    PET sticky residue when heating with steam

    Hello everyone I am seeing sticky residue leech from PET sleeves being subjected to steam at 126 - 128 C. I have two supplies of PET - it only appears to come from one (sleeve "A"). I have FTIR spectra for the residue, and the two sleeves. The residue, and one of the sleeves (A) have much...

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