Ọdịiche nke viscosity nke PDMS (polydimethylsiloxane, nke a makwaara dị ka mmanụ dimethyl silicone) na-ebutekarị site na ogo nke polymerization, yana usoro molekụla na-emetụtakwa ntakịrị (dị ka ụdị nke njedebe). Nke a bụ nkọwa zuru ezu site n'echiche nke usoro kemịkal:
Ogo nke polymerization bụ isi ihe na-ekpebi viscosity nke PDMS.
Ọdịdị molekụla nke PDMS bụ yinye linear{0}} dị ka, ya na ihe na-emeghachi ya bụ -Si(CH₃)₂-O-, enwere ike igosipụta usoro ya n'ozuzu dịka: (CH₃)₃SiO{{4}[Si(CH₃)₂ - o {6} (CH₃)₃ ebe n bụ ogo nke polymerization (ọnụọgụ nke ugboro ugboro).
Ọganihu nke polymerization dị elu (nke ukwuu n): ogologo nke agbụ molekụla, ka ndị agha van der Waals na-esiwanye ike (karịsịa ndị agha mgbasa) n'etiti ụmụ irighiri ihe, na ogo njikọ dị n'etiti agbụ, na-eme ka mmiri dị njọ karị na viscosity dị ukwuu. N'ịdị elu nke polymerization (nke nta nke n), ka agbụ molekụla dị mkpụmkpụ, ka ike intermolecular na-esiwanye ike, obere njikọ, na-eme ka mmiri dịkwuo mma, na-ebelata viscosity.
Dịka ọmụmaatụ, ogo polymerization nke PDMS dị ala{{0}viscosity (dị ka 100 mm²/s) na-adịkarị obere (n bụ ihe dị ka iri iri). Ogo nke polymerization nke PDMS viscosity dị elu{3} (dị ka 100,000 mm²/s) nwere ike ịdị elu ruo otu narị otu narị ma ọ bụ ọbụna puku kwuru puku.