Basic Properties
Thermal Stability, Thermal Degradability
Solubility Differences Grade-by-grade
Water solubility
Resistance to Oils and Organic Solvents
Strength and Weathering resistance
Good heat sealability and adhesiveness
Good gas barrier properties
Good printability
  Water solubility
Solubility is related to PVA film's thickness and temperature.
Related data is shown as below: (thickness: 25 micron)
Grade\Item Dissolve temperature Break time (s) Completely dissolves time(s)
Fast dissolve 25 25 180
Middle dissolve 25 400 650
Difficult dissolve Indissoluble under 40Soluble beyond 85 50 120