Rarraba girman barbashi
Barbashi size rarraba yana nufin rabo (bayyana a kashi abun ciki) na barbashi a na halitta kaolin a cikin wani ba kewayon ci gaba da daban-daban barbashi masu girma dabam (bayyana a raga size na millimeters ko micrometers).The barbashi size rarraba halaye na kaolin ne mai girma ma'ana ga selectivity da aiwatar aikace-aikace na ores.Its barbashi size yana da gagarumin tasiri a kan ta plasticity, laka danko, ion musayar iya aiki, gyare-gyaren yi, bushewa yi, da sintering yi.Kaolin tama yana buƙatar sarrafa fasaha, kuma ko yana da sauƙin sarrafawa zuwa ƙimar da ake buƙata ya zama ɗaya daga cikin ma'auni don kimanta ingancin tama.Kowane sashen masana'antu yana da takamaiman girman barbashi da buƙatun fineness don amfani daban-daban na kaolin.Idan Amurka tana buƙatar kaolin da aka yi amfani da shi azaman sutura don zama ƙasa da 2 μ Abubuwan da ke cikin m suna da 90-95%, kuma filler ɗin takarda bai wuce 2 μ Matsakaicin m shine 78-80%.

Filastik
Laka da aka samu ta hanyar haɗin kaolin da ruwa na iya lalacewa a ƙarƙashin ƙarfin waje, kuma bayan an cire ƙarfin waje, har yanzu yana iya kula da wannan kayan nakasa, wanda ake kira filastik.Plasticity shine tushen tsarin samar da kaolin a jikin yumbura, kuma shine babban alamar fasaha na tsari.Yawancin lokaci, ana amfani da ma'anar filastik da alamar filastik don wakiltar girman filastik.Fihirisar filastik tana nufin iyakacin ruwa na abun cikin yumbu na kaolin yumɓu ban da ƙayyadaddun abun ciki na filastik, wanda aka bayyana azaman kaso, watau W plasticity index=100 (Ididdigar ruwa W - iyakar W plasticity).Fihirisar filastik tana wakiltar tsari na kayan yumbu na kaolin.Za'a iya auna nauyin nauyi da nakasar ƙwallon yumbu yayin matsawa da murƙushewa kai tsaye ta amfani da mita filastik, wanda aka bayyana a cikin kg · cm.Sau da yawa, mafi girman ma'anar filastik, mafi kyawun tsari.Ana iya raba filastik na kaolin zuwa matakai hudu.

Ƙarfin Filastik Fihirisar Ƙarfin Filastik
Ƙarfin filastik> 153.6
Matsakaicin filastik 7-152.5-3.6
Rawanin filastik 1-7<2.5<br /> Rashin filastik<1<br /> Haɗin kai

Daurewa yana nufin iyawar kaolin don haɗawa da kayan da ba na filastik ba don samar da ɗimbin yumbu na filastik kuma suna da takamaiman ƙarfin bushewa.Ƙayyadaddun ikon ɗaure ya haɗa da ƙara daidaitaccen yashi ma'adini (tare da babban abun da ke ciki na 0.25-0.15 ɓangarorin girman juzu'i na lissafin 70% da 0.15-0.09mm girman girman juzu'i na lissafin 30%) zuwa kaolin.Yashi mafi girma lokacin da har yanzu zai iya kula da ƙwallon yumbu na filastik da ƙarfin sassauƙa bayan bushewa ana amfani da shi don tantance tsayinsa.Yayin da ake ƙara yashi, ƙarfin haɗin gwiwa na wannan ƙasa na kaolin.Yawancin lokaci, kaolin mai ƙarfi mai ƙarfi shima yana da ƙarfin ɗauri mai ƙarfi.

Ayyukan bushewa
Ayyukan bushewa yana nufin aikin kaolin laka yayin aikin bushewa.Wannan ya haɗa da raguwar bushewa, ƙarfin bushewa, da azancin bushewa.

Rushewar bushewa yana nufin raguwar yumbu na kaolin bayan bushewa da bushewa.Kaolin yumbu gabaɗaya yana jurewa bushewa da bushewa a yanayin zafi daga 40-60 ℃ zuwa ƙasa da 110 ℃.Saboda fitar da ruwa, an rage nisa barbashi, kuma tsayi da girma na samfurin suna ƙarƙashin raguwa.bushewa shrinkage ya kasu kashi mikakke shrinkage da volumetric shrinkage, bayyana a matsayin kashi na canji a tsawon da girma na kaolin laka bayan bushewa zuwa m nauyi.Rashin bushewa na kaolin shine gabaɗaya 3-10%.Mafi girman girman barbashi, mafi girman yanki na musamman, mafi kyawun filastik, kuma mafi girman bushewa shrinkage.Ragewar nau'in kaolin iri ɗaya ya bambanta dangane da adadin ruwan da aka ƙara.

Ceramics ba kawai suna da tsauraran buƙatun don filastik, mannewa, bushewar bushewa, ƙarfin bushewa, raguwar raguwa, ɓangarorin kaddarorin, juriya na wuta, da bayan harbe-harbe na kaolin, amma kuma sun haɗa da kaddarorin sinadarai, musamman kasancewar abubuwan chromogenic kamar baƙin ƙarfe. titanium, jan karfe, chromium, da manganese, wanda ke rage farin harbe-harbe kuma yana haifar da aibobi.