Hydroxyethylcellulose (HEC) waa polymer-ka biyaha ku milma oo caadi ahaan loo isticmaalo samaynta jeelka sababtoo ah dhumucdeeda, xasilinteeda, iyo guryaha gelling-ka. Heerarka HEC waxaa loo isticmaalaa codsiyo kala duwan, oo ay ku jiraan alaabta daryeelka shakhsi ahaaneed, daawooyinka, iyo cuntada. Si loo sameeyo jel HEC, polymer-ka ...
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