Hydroxyethyl Cellulose (HEC) uye mamwe cellulose ethers (akadai sehydroxypropyl methylcellulose (HPMC), methylcellulose (MC), hydroxypropyl cellulose (HPC) uye carboxymethyl cellulose (CMC)) ma polymers anoshandiswa zvakanyanya muindasitiri, kuvaka, mushonga, chikafu uye zuva nezuva. Chemical indus...
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