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FURFURAL (FURFURALDEHYDE) Chemical compatibility with O-rings, rubbers, & plastics

Furfural, also known as furfuraldehyde with the formula C5H4O2, is a colorless to yellow organic liquid with a mild odor commonly used as a solvent, in resin production, and as an intermediate in chemical manufacturing. In industrial systems, exposure to furfural can affect O-rings, rubber seals, gaskets, and plastic components, making material compatibility an important consideration to prevent swelling or degradation. Although relatively low in toxicity, contact may cause skin and respiratory irritation. Proper storage, careful handling, and appropriate PPE are recommended.

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