PEX is a form HDPE (high density polyethelene) also know as cross linked polyethylene tubing. The use of BPA in plastics has come under fire for its adverse health affects and although PEX does not contain BPA it contains a number of other chemicals.Click to see full answer. Beside this, are PEX pipes toxic?They found that PEX pipes released more odors and leached more chemicals compared to polypropylene. Even if the chemicals that leach are not known to be toxic, they could fuel the growth of bacteria in the pipes or cause bad odors, he added.Similarly, what is PEX pipe made of? Almost all PEX used for pipe and tubing is made from high-density polyethylene (HDPE). PEX contains cross-linked bonds in the polymer structure, changing the thermoplastic to a thermoset. Cross-linking is accomplished during or after the extrusion of the tubing. Correspondingly, why is PEX plumbing bad? PEX failures Piping fails when the pipes are exposed to chlorine that is within the water, exposure to direct sunlight before its installation. Furthermore PEX pipe is vulnerable when it comes in contact with such solutions as petroleum products and oxygen. It can leach toxic chemicals from pipe material also.Why is PEX banned in California?Church, executive director of the Plastic Pipe and Fittings Association. Uponor Wirsbo said its PEX pipe was introduced in California in 1990 and that the product helps solve problems in areas with aggressive soil conditions that copper pipe cannot solve.
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