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

Carbon dioxide, commonly referred to as CO2 or carbonic acid gas, is a colorless and odorless compressed gas used in beverage carbonation, refrigeration systems, fire extinguishers, and industrial processing. Although CO2 is not inherently toxic, elevated concentrations can displace oxygen and create serious asphyxiation risks. When specifying O-rings, rubber seals, gaskets, and plastic components for carbon dioxide service, pressure resistance and decompression performance must be evaluated to prevent damage. Proper cylinder storage, ventilation, and system controls are essential for safety and long-term rubber reliability.

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