Is Viton good for CO2?

Is Viton good for CO2?

Polymer backbones with carbonyl groups, C-F bonds and double bonds show elevated CO2 absorption. O-rings with these functionalities in their backbones (Viton, Kalrez, Teflon, and Silicone) showed the greatest loss of CO2 from sealed fixtures [5].

What is a cure site monomer?

Peroxide cured fluoroelastomers also contain a so-called cure-site monomer (CSM), a monomer that contains a site reactive towards free radicals. An example of such cure-site monomer is 4-bromo-3,3,4,4-tetrafluorobutene (BTFB). Overview of monomers used in various Viton types.

What can compressed CO2 be used for?

Liquid carbon dioxide is used for freezing and chilling of food products; carbonation of beverages; water treatment; low temperature testing of aviation and electronic components; oil and gas well stimulations; and controlling chemical reactions.

Is Viton good for caustic?

Unlike EPDM, Viton has good resistance to oils, fuels, lubricants, and most mineral acids. It is resistant to most chemicals, but not too for example Acetic acid, Ammonia, Caustic soda, Formic acid, and Potassium hydroxide.

How is Viton cured?

To attain maximum physical properties, cured parts of Viton™ must also be oven post-cured for 24 hr at a temperature between 200–260 °C (392–500 °F). In general, property values will reach 80–90% of maximum in 12 hr at 232 °C (450 °F).

Which industries use carbon dioxide?

14.4. Technological uses of carbon dioxide (CO2)

What does CO2 react with?

Carbon dioxide reacts with water in a reversible reaction to form carbonic acid (H2CO3). The acid dissociation constant for carbonic acid Ka = 4.45 x 10-7 mol dm-3.

Is Viton carcinogenic?

Carcinogenicity None of the components present in this material at concentrations equal to or greater than 0.1% are listed by IARC, NTP, or OSHA, as a carcinogen. Skin contact : Wash off with soap and water. Cool skin rapidly with cold water after contact with hot polymer.