Regelwerk
Gasfachliche Norm DIN EN ISO 21809-2
2015-03
Erdöl und Ergasindustrie – Umhüllungen für erd- und wasserverlegte Rohrleitungen in Transportsystemen – Teil 2: Einschicht-Epoxipulverbeschichtungen (ISO 21809-2:2014)
tor to cool. Weigh the sample container when
it has cooled to 20
°C
°C, and then return it to the desiccators; repeat at intervals of 20
min
10
min
until two consecutive mass determinations are within 0 [...] recommended by the manufacturer at a rate of 20
°C/min, then cool the sample to 25
°C
°C;…