① : ? Enrol that?
Alumina, zirconia is hollow ball
Alumina is hollow the ball is to use industrial alumina to blow what make and become via frit of high temperature report. Its advocate brilliant photograph is A-Al203, chemical composition is more than for Al203 98.5% , sio2 and Fe203 are less than respectively 0.5% . Hollow ball grain is
The glomeration with white, hollow, thin wall.
② : ? ?
Float bead be float from inside fly ash of heat and power plant single out the siliceous aluminium that come to pledge vitreous bead body, show hoar, bao Bi, hollow, the surface closes and smooth. Float bead because of coal of the circumstance such as condition of qualitative, combustion different, function also has
Bigger difference.
③ : Poriferous grog
Use horniness clay ore or poriferous grog is become. Add ore crocus burn lost property and bond, be in ball dish go up ball; Hold the makings ball that has particular strength next
Inside kiln, via the to calcine of 1350-1460 ° C, obtain poriferous grog.
④ poriferous Mo Laishi
Poriferous Molaishi is pass high temperature with natural raw material firing, the majority is crystallization photograph since growth of system of Mo Laishi Ju Jing is good, its are acicular crystal makes furcate reticulate structure each other, become poriferous Molaishi namely, brief
Press intensity to be 2-3MPa.
⑤ ceramists
Ceramists department uses the raw material such as Yi Rong clay, shaly, fly ash and gangue, the ball figure that pass to calcine and becomes is poriferous grain, its surface is rough and hard, similar pottery and porcelain is changed, interior submits beehive form, each other does not connect
imperceptible stoma. The characteristic of pottery and porcelain is unit weight small, rate of hot heat conduction is low, intensity is high, it is a kind of admirable man-made light aggregate, applied range is wider.
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