Osaka-Soda ™ is the manufacturer of Capcell Pak UHPLC & HPLC columns with ultra-shielded silica gel based on the unique silicone polymer coating technology. The technology of the Capcell Pak columns combines the advantages of the silica and polymer columns and reduces free silanol groups that trigger undesired peak tailing. Capcell Pak columns are stable at a pH of 1-10 and can also be used under unfavorable conditions.
CAPCELL PAK encapsulated silica with a 0.7 nm silicone polymer layer in different types: