This is what the entry from the Zecchi site looks like to help in ordering: “ TITANIUM WHITE. Chemical composition: Titanium Dioxide (Rutile) (Series: 2) .” Here is our best guess at the equivalent in Italian. This is from the Italian portion of the site: “ BIANCO DI TITANIO RUTILO. Composizione chimica: Biossido di Titanio. (Gruppo: 2).”