Ofcourse I tried google first, mostly about LNG in direct contact with air.
I'll try to find some case studies on cold surfaces and the behaviour of surrounding air.
Also thanks for the wax info, I think its called Terostat a kind of butyl sealant.
I'm investigating a case where piping insulation is renewed/applied at -195 Celsius.
The plant still in full operation whilst renewing the insulation.
Normally the insulation is applied when the plant is shut down, allowing work at "normal" temperatures.
For it to work there should form some...