pf777PF777. The craftsmen were able to skilfully play with the parts and the voids between them to bring lht into the very heart of the calibre PF 777. This delicate latticework, meticulously bevelled by hand, leads the purist's eye deep intoAlkyl functionalized based on Sillitin Z 86. Aktisil PF 777 offers hher rheological activity and improved bonding properties and in addition the product is hydrophobic.