Kaolin yi minerali non-metallic, uhlobo lodongwe kunye nelitye lodongwe elawulwa kaolinite izimbiwa zodongwe.Ngenxa yokuba umhlophe kwaye uethe-ethe, ukwabizwa ngokuba ngumhlaba wamafu amhlophe.Ithiywe ngeGaoling Village, idolophu yaseJingde, kwiPhondo laseJiangxi.

I-kaolin yayo ecocekileyo imhlophe, ithambile kwaye ithambile njengodongwe, kwaye ineempawu ezintle zomzimba kunye neekhemikhali ezifana neplastiki kunye nokuxhathisa umlilo.Ukubunjwa kwayo kwamaminerali kuqulunqwe kakhulu nge-kaolinite, i-halloysite, i-hydromica, i-illite, i-montmorillonite, i-quartz, i-feldspar kunye nezinye iiminerali.I-Kaolin inoluhlu olubanzi lokusetyenziswa, olusetyenziswa kakhulu ekwenzeni iphepha, i-ceramics kunye ne-refractory materials, ilandelwa yi-coatings, i-rubber fillers, i-enamel glazes kunye nezinto ezimhlophe ze-samente ekrwada, kunye nexabiso elincinci elisetyenziswa kwiiplastiki, iipeyinti, i-pigments, ivili lokugaya, iipensile; izithambiso zemihla ngemihla, isepha, iPesticide, iyeza, i-textile, i-petroleum, ikhemikhali, izixhobo zokwakha, ukhuselo lwesizwe kunye namanye amacandelo oshishino.
Ubumhlophe obugotyiweyo ukuKhanya
Ubumhlophe ngomnye weparameters eziphambili zeteknoloji ye-kaolin, kunye ne-kaolin enobunyulu obuphezulu bumhlophe.Ubumhlophe be kaolin bohlulwe bubumhlophe bendalo kunye nobumhlophe emva kokubala.Kwizinto eziluhlaza ze-ceramic, ubumhlophe emva kokubala kubaluleke kakhulu, kwaye ukuphakama kobumhlophe be-calcination, bhetele umgangatho.Itekhnoloji ye-ceramic ichaza ukuba ukomiswa kwi-105 ° C ngumgangatho wokulinganisa ubumhlophe bendalo, kwaye i-calcining kwi-1300 ° C ngumgangatho wokuhlelwa wokubala ubumhlophe.Ubumhlophe bunokulinganiswa ngemitha emhlophe.Imitha emhlophe sisixhobo esilinganisa ukubonakaliswa kokukhanya kunye ne-wavelength ye-3800-7000Å (okt Angstrom, 1 Angstrom = 0.1 nm).Kwimitha emhlophe, thelekisa ukubonakaliswa kwesampulu ekufuneka ivavanywe kunye nesampulu eqhelekileyo (efana neBaSO4, iMgO, njl. njl.), oko kukuthi, ixabiso lobumhlophe (umzekelo, ubumhlophe be-90 buthetha i-90% yokubonakalisa isampuli eqhelekileyo).

Ukukhanya yipropathi yenkqubo efana nobumhlophe, obulingana nobumhlophe phantsi kwe-4570Å (Angstrom) i-wavelength light irradiation.

Umbala we-kaolin unxulumene kakhulu nee-oxide zetsimbi okanye i-organic matter equlethwe kuyo.Ngokuqhelekileyo, iqulethe i-Fe2O3, ebomvu kunye ne-brownish yellow;iqulethe i-Fe2+, enombala oluhlaza okwesibhakabhaka kunye noluhlaza oluhlaza;iqulethe i-MnO2, enombala omdaka;iqulethe izinto eziphilayo, eziluthuthu tyheli, grey, blue, kunye nomnyama.Ubukho bobu kungcola bunciphisa ubumhlophe bendalo be-kaolin, kunye neeminerali ze-iron kunye ne-titanium nazo zichaphazela ubumhlophe be-calcined, kubangela amabala okanye amanxeba kwi-porcelain.