Water Quality

HDPE Pipe technical guidance (High quality Polyethylene Pipes)

Is PE pipe suitable for potable water applications?

Polyethylene pipeline systems have been used by our customers for drinking water supply since their introduction in the 1950s. The plastics industry has taken great responsibility in ensuring that the products used do not adversely affect water quality. The range of tests undertaken on PE pipes normally covers taste, odour, appearance of water, and tests for growth of aquatic micro-organisms. This is a more extensive range of tests than is currently applied to traditional pipe materials, such...

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Can contaminants in the soil permeate through PE pipe?

In contaminated soils no pipe system can be considered completely resistant to permeation and the appropriate pipe material selection criteria should be used. Research undertaken in the USA has demonstrated that precautions are needed in the design of all pipe systems buried in heavily contaminated soils to prevent permeation of substances into drinking water. Many water companies have their own systems for classifying soils and Codes of Practice covering what types of pipe system may be...

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Can any of the constituents of the pipe material leach over time into the water?

Specific compounds of PE100 have been formulated for use in potable water applications. Extensive testing has been carried out by the pipe manufacturers and independent test laboratories to ensure that there is no risk to public health. PE100 is approved universally by national organisations for potable water use.

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Does PE pipe support microbiological growth?

Microbiological or microbial growth (biofilm) on the surface of components in a water supply system is likely to occur irrespective of the material used. Treatment of water with chlorine or other substances may contribute to a significant decrease. The conditions or mechanism for formation of this biofilm are not fully understood, nor why some materials appear to support greater levels of growth. However it is generally accepted that this is unrelated to water quality at the tap. Studies...

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Members of the Association

BOREALISBOROUGEINEOS O&PIRPCKorea Petrochemical IND. Co., LTDLyondellBasellPetroChina Dushanzi Petrochemical CompanyPRIME POLYMERSABICSCG Chemicals & Thai PolyethyleneSinopecTASNEE
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