Special approvals are also required in the drinking water industry when plastics come into contact with drinking water for a short or a long time. Drinking water approvals are currently still national approvals, as they have not yet been harmonised in Europe or worldwide.
Thus, there are different approvals according to
and many more. Also here we can confirm that we have gained various approvals for our semi-finished products or raw materials.
The traceability of our semi-finished products to the production processes and the raw materials used is achieved through our internal production batch identification, which is applied to each semi-finished product label. The migration tests are carried out at different temperatures in an accredited testing laboratory in accordance with the rules and regulations detailed above. GEHR offers a large number of different materials from its standard delivery programme and customised solutions programme.
according to various drinking water directives
In contact with drinking water, the relevant approval is normally required. Currently, this still depends on the country.
In order to reduce friction losses as far as possible in food and drinking water processing, mainly materials with good sliding properties are used in this sector.
Products in food processing can be acidic, alkaline or neutral. Materials used here must be able to withstand these contacts. Chemicals are also used for cleaning the production systems. Therefore, the machine components must also meet the requirements.
Since there are only very few foodstuffs of blue natural colour, plastic components made of blue dyed semi-finished products help with the additional optical detection. Furthermore, this colour offers a good contrast to deposits of harmful substances.
In addition to the use of chemicals in the food processing industry, hot water is often used for cleaning. For this reason, the relevant materials must have sufficient resistance against this medium.
Polymer materials are often used as substitutes for other materials. Therefore, there are also increased demands on the strength here.
Tel: +1 610 497 – 8941
Fax: +1 610 497 – 8901
GEHR Plastics Inc.
24 Creek Circle
Boothwyn, PA 19061
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