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Effects of Chlorinated Water on Plastic-Based Water Delivery Systems

From Solvay Advanced Polymers

Chlorinated water remains one of the most significant advancements in public health. This practice dramatically improves our quality of life by giving us the assurance that we get clean, safe drinking water when we turn on the tap in public places, at work, or in our homes.

For that reason, over 98% of all water treatment facilities in the U.S. disinfect water with chlorine and chlorine-based products. This type of disinfectant offers numerous advantages over other systems, including high germicidal potency, economy, and efficiency. Chlorine also has a lasting residual effect throughout the entire water distribution system. This must be taken into consideration when selecting materials to construct water delivery systems.

Residual chlorine in water systems combined with elevated temperatures can produce an oxidizing environment. Since many metals and plastics are susceptible to oxidation and oxidizing agents, this condition can dramatically shorten the service life of components made from these materials.

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Polymers and plastic materials are organic, synthetic or processed polymers that are supplied as raw materials. They typically consist of thermoplastic or thermosetting resins in the form of pellets, powders or liquid resins. These materials can then be molded into a variety of shapes for a wide range of uses.
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Resins and compounds are used for shape fabrication or bond formation. Types include adhesive, casting, and leveling resins; caulk and grout; and sealants and thread lockers.
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Molding compounds and resins are industrial plastics and polymers that are suitable for forming. They are used in injection molding, compression molding, reaction injection molding (RIM), resin transfer molding (RTM), and blow molding.
Thermoplastics and Thermoplastic Materials
Thermoplastics and thermoplastic materials soften when heated and harden when cooled. They can withstand many heating and cooling cycles and are often suitable for recycling.
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Specialty polymers and resins are proprietary polymers, resins, monomers and intermediates. They include products that are based on proprietary curing technologies or chemistries, or that are designed for specialized applications.
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Topics of Interest

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