I-sodium carboxymethyl cellulose (CMC) iwuhlobo lwe-polymeric fibre ether etholwe ngokuguqulwa kwamakhemikhali kwe-cellulose yemvelo. Isakhiwo sayo sakhiwe ngokuyinhloko iyunithi ye-D-glucose exhunywe nge-β (1→4) ye-glucoside bond. Incibilika emanzini abandayo ukwenza isisombululo se-viscous. I-viscosity yesisombululo ihlobene ne-vitamin eluhlaza ye-DP (ephezulu, ephakathi, ephansi), kanye nezimo zokuhlushwa nokuqedwa, isibonelo: ukuqedwa nokusebenzisa amandla aphezulu e-shear esixazululweni, uma i-CMC i-DS ephansi, noma ukusatshalaliswa kokufakwa esikhundleni kungalingani, khona-ke i-gel aggregate ikhiqizwa; Ngokuphambene, uma i-DS ephezulu kanye nokushintshwa kusatshalaliswa ngokulinganayo, kwakhiwa isixazululo esisobala nesifanayo.