Hydroxyethyl Cellulose (HEC) ke ether ea cellulose e nang le mesebetsi e mengata e bapalang karolo ea bohlokoa ho ntlafatseng ts'ebetso ea thepa ea kaho, sesepa le lihlahisoa tse ling tsa indasteri. Sengoloa sena se hlahloba litšobotsi tsa bohlokoa, melemo le lits'ebetso tse fapaneng tsa HEC, se totobatsa bohlokoa ba eona ho ntlafatseng viscosity, ho boloka metsi le botsitso ba sehlahisoa ka kakaretso.