Approvals

STOPAQ products have been approved according to several standards. Several external evaluations and tests have confirmed the characteristic properties.

- TUV Hannover/Sachsen, FN 2100, 1996
- TNO, Eye-irritation FN 2100, 1988
- TNO, Toxicity FN 2100, 1988
- OFI Kunststoffinstitut, corrosion prevention, OVGW, 2003
- TNO, Water and Gas tightness FN2100, 1989
- German T-Com, Evo-Dichtmasse STOPAQ, 2005
- TUV-Sud, Compliance with DVGW C50

Besides you will find more reports from and about:
- Polymer Service Centre Groningen
- Cathodic Protection Results NAM Pipeline 1996