What is trichloroethylene used for in Oman's industrial sector?

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Trichloroethylene (TCE, trichloroethene, CAS 79-01-6) is a chlorinated solvent primarily used as a metal degreasing agent in Oman's engineering, aerospace, and manufacturing sector. Its high solvency for oils, greases, and waxes, combined with its low boiling point (87°C) and non-flammability, made it the standard vapour degreasing solvent for precision metal parts cleaning in defence, aerospace, and electronic manufacturing. In vapour degreasing equipment (open-top and closed-top degreasing tanks), TCE is heated to boiling, and the rising solvent vapour condenses on cool metal parts, dissolving contamination and draining back as clean solvent. However, TCE is now subject to significant regulatory restriction: the European Union has phased it out under REACH (Annex XIV authorisation required), and the US EPA has classified it as a likely human carcinogen under chronic exposure. In Oman, TCE use should comply with GHS hazard communication, exposure limits (OEL 10 ppm STEL, 1 ppm TWA in EU standards), and biological monitoring protocols. Safer alternatives include n-propyl bromide, perchloroethylene, and HFC-based solvents. Global Chemicals LLC supplies TCE with full regulatory documentation.

ثلاثي كلورو إيثيلين (TCE)

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