I am also looking to confirm that SiC/SiC is superior to WC/WC (or WCCR/WCCR as it is sometimes ref'd). So far see St. Gobain website:www.hexoloy.com/applications/seals.html - 19k for comparison. Disclosure: my company, EBARA, uses SiC/SiC as primary seal of double/tandem seals as our...