Hydroxyethylcellulose (HEC) ni polymer idafite amazi ya elegitoronike ikoreshwa cyane mu gutwikira, kwisiga, ibikoresho byo kubaka, ubuvuzi n’inganda. Igikorwa cyacyo nyamukuru ni nkibibyimbye, bihagarika agent, umukozi ukora firime na stabilisateur, bishobora gutera imbere cyane ...
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