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Information @ a Glance


  • Polyvinyl alcohol (PVOH, PVA, or PVAL) is a water-soluble synthetic polymer.

  • Polyvinyl alcohol has excellent film forming, emulsifying, and adhesive properties. It is also resistant to oil, grease and solvent. It is odorless and nontoxic. It has high tensile strength, flexibility, as well as high oxygen and aroma barrier.

  • Polyvinyl alcohol is a white soluble high-molecular compound, not soluble in ordinary organic solvents.
  • Polyvinyl alcohol for food use is an odourless and tasteless, translucent, white or cream colored granular powder. It is soluble in water, slightly soluble in ethanol, but insoluble in other organic solvents.


  • Polyvinyl alcohol (PVA) is produced from vinyl acetate by polymerization and low-alkali-alcoholysis.

  • There are two methods for preparing a 4% aqueous solution of polyvinyl alcohol, the conventional heating method and the microwave heating method.

  • A ultra-filtration process to reduce the amount of PVA and starch in the effluent followed by a closed-loop recycling operation was tested for 16 months in a pilot plant. The ultra-filtration membrane used in this process recovered PVA successfully.

  • The primary raw material used in the manufacture of polyvinyl alcohol is vinyl acetate monomer.


  • Polyvinyl alcohol is used in adhesive and thickener material in latex paints, paper coatings, hairsprays, shampoos and glues.
  • PVA is widely used in freshwater sport fishing. Small bags made from PVA are filled with dry- or oil-based bait and attached to the hook, or the baited hook is placed inside the bag and cast into the water.
  • PVA is used as raw material to produce coating material and adhesives etc. also to produce pulp finishing agent, soil ameliorator, film and polyvinyl butyral etc.


  • The combined exports of China and Taiwan amounted to about 38,700 tons in 2006, and if the exports are regulated by the anti-dumping problem, these exports must find out other markets.
  • Due to the growth potential, Asian markets including the Chinese domestic market should be home for such material. But, if Chinese producers aggressively increase the production capacity, the problem may not be so simple.
  • The domestic demand of PVA is estimated to be at least 5,000 Tons per annum for the next coming years.
  • The use of polyvinyl alcohol (PVA) as a coating agent for food supplements poses no health risks, according to a recent EFSA investigation.
  • The European supplements market was estimated to be worth 5.2 billion in 2005, with growth rate expected to peak at 4.4 percent over this year before dropping to a steady 4.1 percent for the subsequent five years. By 2011, the market is predicted to be worth around 6.6 billion. 

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