According to Jobo (http://www.jobo-usa.com/products/cheme6.htm#E-6 6-Bath 5-Liter Kit) "For the ultimate in control and precision, Tetenal offers the classic E-6 6-Bath. Available in a 5 liter kit , this is the product for the most demanding professionals and labs. Excellent for processing in JOBO manual processors, AutoLabs and other rotary-type processors. The total time at 38° C (100° F) is about 35 minutes. Multiple use of the chemicals as well as push/pull processing are no problem."
Both Velvia and Astia are processed using E-6 chemistry.