Igwe ọkụ dị n'ime ụlọ vulcanized rọba silicone, nke akpọrọ RTV.Ihe ndabere ya bụ polymer dị ala -molecular{1}} mmiri mmiri hydroxyl{2}} kwụsịrị ma ọ bụ vinyl{3}} polysiloxane kwụsịrị. Ọ na-abụkarị n'ụdị mmiri mmiri na-asọ asọ, mado ma ọ bụ putty tupu ejiri ya.
Ihe kachasị pụta ìhè bụ na enwere ike ịgwọ ya n'ime elastomer na ụlọ okpomọkụ ma ọ bụ nso ụlọ okpomọkụ (nke dị n'etiti ogo 0 na ogo 40) na-enweghị ikpo ọkụ ma ọ bụ na-eji naanị obere ọkụ inyeaka.
Dị ka akwụkwọ nkwakọ ngwaahịa si dị, a na-ekewa ya dị ka: otu -ihe na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ silicone rọba: nke akpọchiri dị ka RTV{3}}1. A na-agwakọta ihe niile (raba raw, translinking agent, catalyst, filler, wdg) na-agwakọta ma tinye ya n'otu akpa.
Ngwọta chọrọ mmiri na ikuku. Abụọ - ihe dị n'ime ụlọ na-ekpochapụ rọba silicone: nke akpọchiri dị ka RTV-2.
A na-ekewakarị ya n'ime akụkụ abụọ, A na B (dịka ọmụmaatụ, A: raw rubber + filler; B: Crosslinking agent + catalyst. Mgbe a na-eji ya eme ihe, jikọta ya n'ụzọ ziri ezi na ọ nwere ike ịgwọ ya na ụlọ okpomọkụ na-adabereghị na mmiri mmiri.