Tangit PVC-U Plus Adhésif KOMO Adhesives for joints in plastics piping systems for sewerage inside buildings Tangit PVC-U Plus Adhésif KIWA Adhesives for joints in thermoplastic piping systems for the transport of drinking water Tangit PVC-U Plus Adhésif Tangit DVGW certificate of conformity hygiene Tangit PVC-U Plus Adhésif KIWA Drinking water application certificate Tangit PVC-U Adhésif KIWA Drinking water application certificate KS Nettoyant Liquide Type examination certificate KS Cleaner KS Lingettes de nettoyage Type examination certificate KS Tissues