The n paraffin synthetic fluid frequently has {HEAD ~ an initial boiling point} of {TAIL ~ at least about 190° C.} , more frequently at least about 200° C. , even more frequently at least about 210° C. , and most frequently at least about 220° C.  
The n paraffin synthetic fluid frequently has { HEAD ~ an initial boiling point } of { TAIL ~ at least about 190 ° C. } , more frequently at least about 200 ° C. , even more frequently at least about 210 ° C. , and most frequently at least about 220 ° C.
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH