IHydroxypropyl Methylcellulose (HPMC) iyi-polymer eguquguqukayo esetshenziswa ezimbonini ezahlukahlukene, kufaka phakathi umkhakha wokunamathisela nama-sealants. Izici zayo eziyingqayizivele, njengokuncibilika kwamanzi, ikhono lokujiya, amandla okwenza ifilimu, nokunamathela, kuyenza ibe isithako esibalulekile kulezi zinhlelo zokusebenza. 1. Ku...
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