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  1. wondu

    Flow & cost schedule for extrusion of film and foam

    I want to set down a flow diagram with all steps and associated costs - including materials, plant and molds - for making film for shopping bags and agricultural mulch film. And also for making packaging foam. Can the same machine produce all products? The mulch film ranges from 10-20 um and the...
  2. wondu

    Biopolymer Supply Chain Processes

    1. Does anyone have information on the full structural layout for making polymers and plastic products, including the production of biopolymers and sourcing of their material? I am looking for a complete supply chain diagram showing every processing activity from materials through to the...

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