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  1. jvelliky

    PBT Chemical Resistance to 5 percent acetic acid solution

    I have a food contact application and want to use PBT @ .8 mils. The application is a pickle jar closure. Predictive test protocol demands placing the closure in a 212F five percent acetic alcohol / two percent NaCl solution, then allowing to cool to 120F for thirty days. Will PBT survive.
  2. jvelliky

    shear strength of co-extruded PETG / PBT

    I have a high shear force forming operation that is breaking the Admer Tie Layer used during experiments. That is to say 60% of the Admer remains on the surface, while 40% remains attached to the PBT bulk layer. I understand PETG / PET offers an excellent shear force bond, but want to...
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