Water soluble bag solution principle

  The concept of water soluble bag: < br / > & have spent   Water soluble bags are in fishing, a kind of tool used to make a nest. It is to use room temperature water soluble PVA line, reticulate. Fishing bait, wrapped wrapped in the net, use gaff hook on, sink, a water-soluble network will melt at this moment, the bait is expected to more concentrated sink, attract fish.
    Dissolve principle: < br / > & have spent   Water soluble bags of dissolution process is the physical and chemical change alternates, hydrophilic - - Swelling - - Swelling again - - The product of dissolved, dissolved carbon dioxide and water.