i-hpmc powder ekwakheni Ukusetshenziswa kwe-hydroxypropyl methylcellulose HPMC ezintweni zokwakha: 1 igypsum esekwe usimende ⑴ Thuthukisa ukufana, wenze kube lula ukuthi ukhonkolo ufakwe phezu kwetrowel, futhi ngesikhathi esifanayo uthuthukise ukusebenza kwe-anti-sag, uthuthukise uketshezi kanye amandla, kanye...
Funda kabanzi