OxyChem's affiliate, Oxy Vinyls, LP (OxyVinyls), manufactures polyvinyl chloride (PVC) resins, vinyl chloride monomer (VCM) and its precursor, ethylene dichloride (EDC). Based on data from industry trade publications, OxyVinyls is the ​largest VCM producer and the third-largest PVC supplier in the United States. PVC resins are used in a wide variety of products, including: piping, construction materials (e.g., vinyl siding, windows and doors, fences and decks), medical applications, electrical insulation and automotive products. OxyVinyls also licenses technology for the production of EDC and VCM.

OxyChem is the second-largest merchant marketer in the world of chlorine and the largest marketer of its co‑product, caustic soda. Chlorine is an essential building block in thousands of products that make our lives safer, healthier and more convenient. It plays a vital role in keeping the world's water supplies safe by controlling harmful bacteria and viruses that can cause potentially deadly diseases such as typhoid and cholera.

Approximately 98 percent of U.S. public water treatment systems are chlorine-based. Chlorine is a key raw material in manufacturing PVC resins and more than 90 percent of all pharmaceuticals. Caustic soda has a wide variety of applications in many industries including pulp and paper, aluminum, soaps and detergents, textiles, petrochemicals, and chemical processing.

OxyChem is the world’s largest producer of caustic potash (potassium hydroxide), a principal component in fertilizers, batteries, soaps and detergents, and specialty glasses. The company also is the world's largest producer of calcium chloride, a premium salt with a variety of beneficial applications, including ice control, dust suppression, road stabilization and oilfield services.

Other products manufactured by OxyChem have an array of key applications. Chlorinated organics serve as intermediates to make refrigerants, among many other applications. Sodium silicates serve a wide range of end-use markets, including silica products, catalysts, soaps and detergents, paper products, paint and pigments, among many others. Chlorinated isocyanurates are sanitizers for residential swimming pools and spas. 

OxyChem is the largest North American and only U.S. producer of sodium chlorite, which is used extensively in the water treatment industry for disinfection and purification.

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