Ko te konutai carboxymethyl cellulose (CMC) he momo tino polymeric muka ether e whiwhi ana ma te whakarereke matū o te cellulose taiao. Ko te nuinga o tona hanganga ko te D-glucose wae e hono ana e te β (1→4) here glucoside. Ka memeha ki roto i te wai matao kia puta he wairewa viscous. Ko te viscosity o te otinga e pa ana ki te huaora raw material DP (te teitei, te reo, te iti), me nga tikanga kukū me te whakakorenga, hei tauira: te whakakore me te whakamahi i te kaha kutikuti teitei ki te otinga, mena he iti te CMC DS, he rereke ranei te tohatoha whakakapinga, katahi ka puta te kohinga gel; Engari, mena ka tohatohahia te DS teitei me te whakakapinga, ka hangaia he otinga maamaa me te rite.