pf777Alkyl-funktionalisiert auf Basis Sillitin Z 86. Aktisil PF 777 bietet eine höhere rheologische Aktivität (höhere Niedrscherviskosität, Fließgrenze, stärker scherverdünnend) und verbessertePF777. 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 into