Rɔba aduru a wɔde rɔba a wɔannoa ne nsu a ɛyɛ hyew fra mu no bɛma ayɛ den nkakrankakra na ahwere sɛnea ɛyɛ adwuma bere a wɔde sie no. Wɔfrɛ saa adeyɛ yi sɛ "nhyehyɛe". Ade titiriw nti a wɔhyehyɛ nhyehyɛe a wɔahyehyɛ no ne sɛ silica yɛ-afã a ɛwɔ ntam no denam hydrogen nkitahodi a ɛda Si-H akuw a ɛwɔ n’atifi ntam no so. Sɛnea ɛbɛyɛ na wɔasiw silicone rɔba ho nhyehyɛe a ɛyɛ nwonwa no ano no, ɛsɛ sɛ wɔde aduru bi a ɛhwɛ nhyehyɛe so ka rɔba aduru no ho. Dwumadie a ɛhwɛ nhyehyɛeɛ so no dwumadie ne sɛ ɛbɛsi hydrogen nkitahodiɛ a ɛba nneɛma nketenkete ntam no ano denam SI-OH akuo a ɛwɔ silica no ani a ɛne no di nkitaho no so.
Nneɛma a wɔtaa de di dwuma wɔ nhyehyɛe mu no bi ne diphenylsilanediol, molar mass hydroxyl silicone ngo a ɛba fam, cyclosilamane, hexamethylsilazane, ne nea ɛkeka ho Mprempren, nea wɔtaa de di dwuma, etu mpɔn na ɛyɛ mmerɛw no sua{1}}Viscosity hydroxyl silicone ngo. Nkɛntɛnso a ɛba fam-Viscosity hydroxyl silicone ngo no fa dodow a polymerization ne hydroxyl akuw ahorow no mu. Nsɔhwɛ ahorow kyerɛ sɛ sɛ polymerization x=6 dodow kɔ 10 ne hydroxyl akuw no mu nneɛma yɛ 6.5% kosi 8% a, ebetumi adi rɔba aduru no nhyehyɛe so yiye. Nnuru dodow a wɔde di dwuma wɔ ɔdansi mu no gu ahorow gyina nea wɔde hyɛ mu, dodow a wɔde ma, mfiridwuma a wɔde yɛ adwuma ne wim tebea mu nsakrae so, na ɛsɛ sɛ wɔyɛ nsakrae wɔ mu sɛnea tebea ankasa a wɔyɛ no te.