Alumina na-acha ọcha Na2o dị ala, enwere ike iji ya mee ihe na-atụgharị, ihe nkedo na abrasives.

Corundum ọcha
Alundum ọcha
WFA

Nkọwa dị mkpirikpi

White Fused Alumina bụ nnukwu ịdị ọcha, ịnweta sịntetik.

A na-arụpụta ya site na ngwakọta nke ọkwa dị ọcha Bayer Alumina a na-achịkwa n'ime ọkụ arc eletrik na okpomọkụ karịrị 2000˚C na-esote usoro siri ike ngwa ngwa.

Njikwa siri ike maka ịdị mma nke akụrụngwa na paramita njikọ na-eme ka ngwaahịa dị oke ọcha na ịdị ọcha dị elu.

A na-echipịakwa crude ahụ jụrụ oyi, kpochaa ya site na adịghị ike magnetik na nnukwu ike ndọta separators wee kewaa ya n'obere irighiri nha ka ọ dabara na njedebe njedebe.

Kpọtụrụ ugbu a

Ngwakọta kemịkalụ

Ihe			Nkeji	Index	Ụdị
Ngwakọta kemịkalụ	Al₂O₃		%	99.00 nkeji	99.5
	SiO₂		%	0.20 kacha	0.08
	Fe₂O₃		%	0.10 kacha	0.05
	Na₂O		%	0.40 kacha	0.27
Refractoriness			℃	1850 min
Nnukwu njupụta			g/cm³	Nkeji 3.50
Mohs isi ike			---	9.00 nkeji
Akụkụ kristal bụ isi			---	α-Al₂O₃
Nha kristal:			μm	600-1400
Ezi njupụta				3.90 nkeji
Knoop ike			Kg/mm²
Refractory ọkwa		Ọka	mm	0-50,0-1, 1-3, 3-5,5-8
			Ntupu	-8+16,-16+30,-30+60,-60+90
		Nra	ntupu	-100,-200, -325
Ọkwa abrasive&Mgbawa			FEPA	F12-F220
Ọkwa Nchacha&Igwe ihe			FEPA	F240-F1200

Alumina dị iche iche jikọtara ọcha

Ngwaahịa/Spec	Al2O3	SiO2	Fe2O3	Na2O
WFA Low Soda ọka na nra	> 99.2	<0.2	<0.1	<0.2
WFA 98 ọka na nra	>98	<0.2	<0.2	<0.5
WFA98% demagnetized nra -200,-325 na -500Mesh	>98	<0.3	<0.5	<0.8

Ihe	Nha	Ngwakọta kemịkalụ (%)
Ihe	Nha	Fe₂O₃(Nkeji)	Na₂O (max)
WA & WA-P	F4~F80 P12-P80	99.10	0.35
	F90~F150 P100-P150	98.10	0.4
	F180~F220 P180-P220	98.60	0,50
	F230~F800 P240-P800	98.30	0.60
	F1000~F1200 P1000-P1200	98.10	0.7
	P1500-P2500	97.50	0.90
WA-B	F4~F80	99.00	0,50
	F90~F150	99.00	0.60
	F180~F220	98.50	0.60

Raw Material na Usoro nke Mmepụta

White Fused Alumina bụ nnukwu ịdị ọcha, ịnweta sịntetik.

A na-arụpụta ya site na ngwakọta nke ọkwa dị ọcha Bayer Alumina a na-achịkwa n'ime ọkụ arc eletrik na okpomọkụ karịrị 2000˚C na-esote usoro siri ike ngwa ngwa.

Njikwa siri ike maka ịdị mma nke akụrụngwa na paramita njikọ na-eme ka ngwaahịa dị oke ọcha na ịdị ọcha dị elu.

A na-echipịakwa crude ahụ jụrụ oyi, kpochaa ya site na adịghị ike magnetik na nnukwu ike ndọta separators wee kewaa ya n'obere irighiri nha ka ọ dabara na njedebe njedebe.

Ngwa

Ahịrị raara onwe ya nye na-emepụta ngwaahịa maka ngwa dị iche iche.

White Fused Alumina bụ nke ukwuu friable ma si otú a na-eji na Vitrified Bonded Abrasives ngwaahịa ebe dị mma, ngwa ngwa igbubi omume dị mkpa nakwa na mmepụta nke elu ịdị ọcha Alumina refractories. Ngwa ndị ọzọ gụnyere ojiji na mkpuchi mkpuchi, ọgwụgwọ elu, taịlị seramiiki, eserese mgbochi skid, ọkụ akwa akwa na mmiri ara ehi na nlekọta anụ ahụ / eze.