Iziphumo ze-HPMC kwiiMveliso zeGypsum i-HPMC, emele i-Hydroxypropyl Methylcellulose, iqhele ukusetyenziswa njenge-ajenti yokujiya, isibophelelo, kunye nezinzisi kumashishini ahlukeneyo, kubandakanywa ishishini lokwakha. Iimveliso zeGypsum, ezifana ne-plaster kunye ne-drywall, ziqhele ukusetyenziswa kulwakhiwo kunye ...
Funda ngokugqithisileyo