Products used for the construction and renovation of drinking water supply systems.

Evaluation Criteria for Plastics and Other Organic Materials in Contact with Drinking Water (KTW-BWGL)

In the general part:

- further development of requirements for the use of colourants in nanoform,
- several editorial adjustments relating to cement bound materials that do not fall within the scope of the KTW evaluation criteria, as well as
- editorial adjustments relating to the products listed in Table 10 of Annex 2.
In the polymer-specific part:
- inclusion of additional starting materials that have been evaluated as suitable for potable water applications and must therefore be included in the positive list for organic coatings (Appendix B) and elastomers (Appendix D)