I-sodium carboxymethyl cellulose (CMC) luhlobo lwe-polymeric fiber ether efunyenwe ngokuguqulwa kweekhemikhali zeselulosi yendalo. Ubume bayo buqulunqwe ikakhulu yiyunithi ye-D-glucose edityaniswe ngu-β (1→ 4) i-glucoside bond. Ichithwa emanzini abandayo ukwenza isisombululo se-viscous. I-viscosity yesisombululo ihambelana ne-vitamin eluhlaza ye-DP (ephezulu, ephakathi, ephantsi), kunye neemeko zoxinaniso kunye nokutshatyalaliswa, umzekelo: ukuchithwa kunye nokusebenzisa amandla aphezulu e-shear kwisisombululo, ukuba i-CMC i-DS ephantsi, okanye ukuhanjiswa kokutshintshwa akulingani, ngoko i-gel aggregate iveliswa; Ngokwahlukileyo, ukuba i-DS ephezulu kunye nokutshintshwa kuhanjiswe ngokulinganayo, isisombululo esicacileyo kunye nesifanayo senziwe.