I-Bentonite powder ineempawu ezahlukeneyo ezenza ukuba ibe luncedo kumashishini ahlukeneyo. Enye yeempawu zayo eziphambili kukukwazi kwayo ukufunxa amanzi amaninzi, okuyenza idumbe kakhulu xa ichaphazeleka kukufuma. Le mpawu yokudumba iyahluka ngokuxhomekeke kuhlobo lwe-bentonite, kwaye i-sodium bentonite idla ngokubonisa ukwanda okukhulu kune-calcium bentonite.
Ikwanazo neendlela ezibalaseleyo zokufunxa, nto leyo eyenza ukuba ikwazi ukutsala nokubamba izinto ezahlukeneyo, kuquka iioyile, iikhompawundi zendalo, kunye neentsimbi ezinzima. Oku kuyenza ibe luncedo kwiinkqubo ezifuna ukucocwa okanye ukwahlulahlulwa. Ubungakanani obuncinci beentwana ze-bentonite powder bunegalelo kwindawo yayo enkulu, nto leyo ephucula ngakumbi ukusebenza kwayo kokufunxa.
Olunye uphawu oluphawulekayo yithixotropy, oko kuthetha ukuba yenza isakhiwo esifana nejeli xa iphumle kodwa iba lulwelo xa ishukunyiswa. Le mpawu iluncedo kulwelo lokubhola, apho ukugcina i-viscosity ezinzileyo phantsi kweemeko ezahlukeneyo kubalulekile. Umgubo weBentonite ukwabonisa ukuqina okuhle, okuvumela ukuba umile kwaye uxoxwe ngokulula xa uxutywe namanzi.
Ukuzinza kwayo ngokweekhemikhali yenye inzuzo, njengoko inokumelana nobushushu obahlukeneyo kunye namanqanaba e-pH ngaphandle kokuwohloka okukhulu. Oku kuzinza kuqinisekisa ukusebenza rhoqo kwiindawo ezahlukeneyo zoshishino, ukusuka kwiinkqubo zokwenziwa kwe-foundry ezishushu kakhulu ukuya kunyango lwesisombululo se-asidi okanye se-alkaline.
Ixesha leposi: Julayi-18-2025