Inland Excellin high vacuum grease is an excellent lubricant yet provides leaktight,sealing in many vacuum applications, and is available in three consistencies.   These greases can be used over a wide range of temperatures and meet a variety of service conditions through consistency ranges from very soft to wax-like.  Some of the many applications include use on o-rings, rubber to metal joints, stopcocks, glass joints and metal to glass joints.
 

Specifications	Excellin 1	Excellin 2	Excellin 3
Vapor Pressure @ 25ºC, torr:	10-7	10-7	10-7
Melting Point (ASTM) ºC:	95ºC	125ºC	135ºC
Penetrometer (ASTM):	120-170	80-120	40-80
Color:	yellow	yellow	yellow