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DICHLORETHYLENE Chemical compatibility with O-rings, rubbers, & plastics

Dichloroethylene, often called DCE or dichloroethene and identified by the formula C2H2Cl2, is a colorless chlorinated liquid with a mild odor commonly used as a solvent and chemical intermediate. Its solvent action can influence O-rings, rubber seals, gaskets, and various plastic components, so compatibility evaluation is important to reduce swelling or material breakdown. While considered relatively low in acute toxicity, exposure may cause skin and respiratory irritation. Appropriate storage, ventilation, safe handling practices, and proper PPE are recommended.

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