SK Corporation Formerly Yukon Limited

Comparison (Table 7.33) of compositional analyses on Yubase 6 with group I, II, and IV base stocks of similar viscosities shows the expected compositional differences—the Yubase 6 has a much higher isoparaffin content than either groups I or II and less 2+ ring cycloparaffins.44 The other benefits expected for group III stocks, namely higher flash point and decreased volatility as measured by the Noack test, also materialized. 

Source H. Y. Sung, S. H. Kwon, and J. P. Andre, VHVI Base Oils and White Oils from Fuels Hydrocracker Bottoms, presented at the Asia Fuels and Lubes Conference, January 25-28, 2000. With permission. 

First Yubase Upgrading Project Results for 150N Case 

TABLE 7.33 Comparison of Yubase 6 Properties with Those of Group 1 and II 150N 

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