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About red53560

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  1. How to easily detect EVOH

    Ethylene-vinyl acetate, polybutene-1 and linear low density polyethylene I believe there is also some other type of adhesive in between the EVOH layer and the EVA,LLDPE,PB layer but I don't know what it is.
  2. How to easily detect EVOH

    I am using a barrier film that has an EVOH layer in the middle and I am looking for ways to test that the layer is actually there. The EVOH reacts with iodine so I can cut a sample die it then look at the cross section under a microscope but this is tedious and was wondering if anybody had any other suggestions. I do have some lab equipment but no NMR (I wish ). Any thoughts? Thanks?