RTV -1: Ọkachasị mmeghachi omume condensation. Ihe rọba silicone dị n'ime tube nkwakọ ngwaahịa na-emeghachi omume site na ikuku mmiri dị n'ikuku, na-ahapụ obere ngwaahịa{3} molecule (dị ka acetic acid, ketoxime, mmanya, wdg) iji gafee wee gwọọ ya. Omimi ọgwụgwọ na-ejedebe site na mgbasa nke mmiri na-esikarị n'elu banye n'ime.
RTV-2: Mgbakwunye mmeghachi omume nke kachasị (nke platinum na-eme ka ọ bụrụ ihe na-akpata ya) ma ọ bụ mmeghachi omume condensation (dị ka tin catalysis). Mgbe agwakọtara akụrụngwa A na B, onye na-ahụ maka crosslink na-emeghachi omume na ndị otu na-arụ ọrụ na rọba raw n'okpuru ọrụ nke ihe na-akpali akpali iji mepụta netwọk mmekọrịta. Ọnweghị obere -molecule site na- ngwaahịa ka emepụtara (ụdị mgbakwunye), ma ọ bụ naanị obere ngwaahịa sitere na ka emepụtara (ụdị condensation). A na-eme ọgwụgwọ n'ozuzu.