HEMA FOR CONTACT LENSES

Methacrylate product portfolio

VISIOMER®

HEMA for Contact Lenses


VISIOMER® UHP HEMA enables the production of dimensionally stable soft contact lenses with high oxygen permeability and water uptake to ensure optimum wear comfort.
HEMA for Contact Lenses
VISIOMER® product
Chemical name    
Formula
Molecular
weight
g/mol
Boiling
point
°C/hPa
Glass
transition temper-ature
Tg °C
Standard
stabilization
ppm MEHQ
Main
applications
UHP HEMA
Ultra high purity
2-Hydroxyethyl methacrylate
CAS868-77-9
CAS No. 868-77-9
130.1
213/1013
55
10±3
Contact
lenses