LOCTITE® 55 has been developed for sealing pipes and fittings made of metal and plastic. There is no curing time resulting in an instant seal with maximum pressure from the LOCTITE 55. The ideal choice for a fast, easy and reliable seal. The product is approved for gas and potable water and certified to NSF/ANSI, standard 61. General purpose sealant for threaded pipes and fittings For a quick, easy and reliable seal No curing, instant sealing with maximum pressure KIWA K107858/01 certificate for potable water DVGW/KTW approval for gas and potable water GASTEC QA K100833/01 certificate of Kiwa for gas Tested according to EN 751-2 Class ARp and DIN 30660 Certified according to NSF/ANSI, standard 61