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Plastics and Drinking Water

Water plays a key role in our daily lives. Clean water is a staple food and essential for every human being. The components intended for contact with water are subject to stringent regulations and controls to ensure clean water. In addition to the hygienic and microbial aspects materials must comply with other technical requirements such as strength, corrosion and chemical resistance.

The TER Plastics POLYMER GROUP has a wide portfolio of plastics for use in drinking water applications. The range includes materials that areapproved for contact with hot and cold water. Engineering plastics possess low migration values, neutral taste and corrosion resistance. Their high mechanical property profiles lead to optimum solutions in the household and sanitary sector.

Wasser
Wasser

POM – Duracon®, Tarnoform®
Polyoxymethylene (POM), also known as polyacetal, is a semi-crystalline soft plastic. As an engineering plastic POM is particularly being used for precision parts due its high stiffness, low friction and excellent dimensio-nal stability. POM absorbs very little water thus the physical properties of the moldings only change slightly. The good chemical resistance and low water absorption make POM ultimately suitable for use in contact with food and drinking water. The DURACON products distinguish themsel-ves by their global certification for drinking water applications.

PA66 – Technyl®
Polyamide 66 is a semi-crystalline soft plastic with a balanced property profile. It combines high chemical resistance with excellent mechanical properties. Technyl A218 W V30 is used in many applications in the sanitary sector.

Thermoplastische Elastomere
Thermoplastische Elastomere

PA66 + 6I/6T – TEREZ® G T3
TEREZ GT3 is a semi-crystalline, partially aromatic construction material for metal replacement. It combines highest strength and stiffness with excellent surface quality and chemical resistance. These properties are only marginally affected by water absorption. The TEREZ GT3 W-Series is physiologically safe and can be used in direct contact with drinking water.

Different country guidelines exist worldwide for the approval of nished parts with contact to drinking water. The scope of testing includes pos-sible contamination of the water with hazardous substances, sensory analysis but also growth of bacteria. Key tests include:

Germany

  • KTW (Kontakt mit Trinkwasser = contact with drinking water)
  • DVGW (Deutscher Verein des Gas- und Wasserfaches =
    German Association for gas and water applications)
  • W270 – Determination of microbial growth

France

  • ACS (Accreditation de Conformite Sanitaire = contact with drinking water)
  • AFNOR XPP 41-250

Great Britain

  • WRAS (Water Regulation Advisory Scheme)
  • British Standard BS 6920

USA

  • NSF 61 (National Sanitation Foundation)

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Our product portfolio for water

Our product information and suggestions are based on analyses, empirical values, and data from the product manufacturer in question and are therefore provided with our best knowledge and accountability.

We do not, however, assume any liability or warranty, be it for defects in title, quality and suitability of the products for a specific purpose, or non-infringement of industrial property rights.

We do not warrant the use or processing of the products and information, or consequences of any kind arising from product descriptions, suggestions, and recommendations.

The responsibility for appropriate usage, as well as final suitability testing of the raw material is exclusively the responsibility of the customer as part of sampling/final qualification of a manufactured molded part.

The specified data are only indicative and are not to be interpreted as legally binding specifications.

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