ʻO nā molekala polimer rubber silika he mau kaulahao -like i hana ʻia e nā kaula Si-O (silicon-oxygen), a ʻo kā lākou mea nui he polysiloxane laina mola nui. No ka mea, ʻo ka Si-O-Si kona ʻano paʻa kumu, pili nui nā ʻātoma silikona i nā pūʻulu methyl, a ua hoʻokomo ʻia kahi hui liʻiliʻi loa ma nā kaulahao ʻaoʻao.
He liʻiliʻi nā mana intermolecular, a he ʻano helical ko nā molekala. Hoʻonohonoho ʻia nā pūʻulu Methyl i waho a hiki ke hoʻololi manuahi, ʻoi aku ka maikaʻi o ka pale ʻana i ka wela, ka insulation uila, ke kūpaʻa kemika, a me nā mea ʻē aʻe.
ʻO ka lāʻau silicone maʻamau, ʻo ia hoʻi ka polydiformaldehyde siloxane, he hoʻonohonoho molekala helical me nā ikaika intermolecular liʻiliʻi, no laila e loaʻa ai ke kūpaʻa maikaʻi loa. I kēia manawa, hiki i nā pūʻulu formaldehyde e kuhikuhi ana ma waho o ka helix hiki ke hoʻololi manuahi, e hāʻawi ana i ka ʻili silikoni me nā waiwai kū hoʻokahi o ka ʻili e like me ka hydrophobicity a me ka ʻole{1}}stickiness.