Topas is thermoplastic polymer. It is a cyclo-olefin copolymer (COC) and completely nonpolar as well as amorphous. It has a very low permeability for water vapour and a low capacity for the absorption of water.
Grades
mcs-COC-13 – Tg: 142°C
mcs-foil-011 – 140 µm thickness, Tg: 70°C
mcs-foil-080 – 125 µm thickness, Tg: 142°C
COC can be used with:
- Aqueous Solutions including Acids and Bases
- Polar Solvents
- mcs-oil-04
- Silicone Oils
COC cannot be used with:
- Nonpolar Solvents
- Mineral Oils (Hydrocarbons)
- Fats
- Halogenated Hydrocarbons