Thermal Compound

[Tung]

Gentlemen,
can anybody here kindly suggest the thermal compound used for bulb of TXV,
the evaporating temperature is -30 degree C,
and it is better the compound is insoluble in water,
any suggestion will be appreciated.

Tung

[install monkey]

http://www.maplin.co.uk/heat-transfer-compound-30171
usually just secure the bulb to the pipe in the correct position,and then insulating with armaflex tape. also mount th bulb lower than the head of the txv