Originally Posted by flyin´ruddl
Sorry to bring this thread up again, but I didn´t thought that access to the Silver Kris Lounge should pose a problem as the *-site quotes:
"International Business Class:
Customers who present an international Business Class boarding pass, regardless of the Star Alliance carrier they fly, have access to all members' designated business departure lounges. Guests are not permitted."
The wording is not water tight and open to interpretation.
I assure you the above information posted by Kiwi is correct. Unless you have PPS Status with SQ, the C boarding pass that you hold
will not grant you access into the Silver Kris Lounge. There are other, (yes, unfortunately lesser) lounges that you will be able to use.