Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Polymacon is a non-proprietary (i.e., generic) term for a hydrophilic polymer of 2-hydroxyethylmethacrylate (HEMA) cross-linked with ethylene glycol dimethacrylate (62%) and water (38%). It is used in the manufacture of soft contact lenses, and is considered a low hydration hydrogel of nonionic polymer.
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