Cov tshuaj ntxuav nruab nrab yog cov lus siv dav dav rau cov xab npum hluavtaws zoo li tsis zoo ntawm kev siv ntau. Feem ntau hais txog cov hluavtaws ua hluavtaws siv hauv chav ua noj. Nws yog hais txog xab npum nrog pH thaj tsam ntawm 6-8 ntawm tus qauv kev siv concentration ntawm 25 ° C. Cov xab npum hluavtaws xws li daim ntaub, lo lo ntxhuav thiab ntaub plaub yog qhov nruab nrab. Cov khoom siv tseem ceeb ntawm cov tshuaj ntxuav tes yog nruab nrab surfactant, nrog tus kws tsim tsa, uas tuaj yeem hloov pH hauv qee yam.
Cov khaub ncaws ntxhua khaub ncaws yog tshuaj ntxhua khaub ncaws kom tsis huv, thaum xab npum, tshuaj ntxuav hmoov, thiab lwm yam yog tshuaj ntxuav tes.
