Neoprene flange gaskets can be used in chemical processing environments, but their suitability depends on the specific chemicals and conditions involved. Neoprene, a synthetic rubber, offers good resistance to oils, greases, and moderate chemicals, making it suitable for certain applications. However, it is not resistant to strong acids, alkalis, or oxidizing agents, which are often present in chemical processing environments.
Neoprene gaskets perform well in environments with moderate temperature ranges, typically between -40°C to 120°C (-40°F to 248°F). They also provide good weathering and ozone resistance, which can be beneficial in outdoor or exposed settings. However, neoprene is not ideal for applications involving high temperatures or aggressive chemicals, as it can degrade or lose its sealing properties.
In chemical processing, the compatibility of neoprene with the specific chemicals being processed is crucial. For example, neoprene is not suitable for use with aromatic hydrocarbons, ketones, esters, or chlorinated solvents. In such cases, alternative materials like PTFE, Viton, or EPDM may be more appropriate due to their superior chemical resistance.
When considering neoprene flange gaskets for chemical processing, it is essential to evaluate the chemical compatibility, temperature, and pressure conditions of the application. Consulting chemical resistance charts and conducting compatibility tests can help determine if neoprene is a viable option. If neoprene is not suitable, selecting a gasket material specifically designed for chemical resistance is recommended to ensure safety and performance.