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CARBON DIOXIDE, DRY Chemical compatibility with O-rings, rubbers, & plastics

Carbon dioxide, commonly referred to as CO2 or compressed carbon dioxide gas, is a colorless and odorless industrial gas used in beverage carbonation, refrigeration applications, fire suppression systems, and various manufacturing processes. In chemical compatibility assessments, CO2 exposure, especially under high pressure or rapid decompression conditions, should be evaluated for rubber O-rings and gaskets, as pressure cycling can impact certain rubber materials. Although carbon dioxide is not highly toxic, elevated concentrations may displace oxygen and create an asphyxiation risk. Appropriate storage, pressure control, ventilation, and material selection are essential to maintain safe operation and reliable performance of O-rings, rubber seals, and gaskets.

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