white fused alumina F16-220

 White fused alumina/White aluminium oxide (WA)is electrically fused in the furnace with high grade bayer processed alumina as raw material..It has high purity,ability of self-sharpening,better cutting,less heat emit,higher efficiency,acid and alkali resistance,good thermal stability.Abrasives tools made of it are suitable for grinding high-speed,high carbon steel ,etc.It also can be used as materialsfor grinding and polishing,precision casting,spaying and coating, medium body for chemical industry,special ceramics and high-grade refractory materials,etc.

The physical and chemical analysis             

   Al2O3   MIN  99.53%

    Na2O   MAX  0.4%

    Fe2O3  MAX  0.1%

    SiO2   MAX   0.1%

     Crystal system   Hexagonal

     Color             White

   Micro Hardness   HV2200-2300

     Grinding ability(compared with diamond as one)  0.12

     Hardness(mohs)   9

    Ture density      3.9 g/cm3

  Bulk density      1.75-1.95 g/cm3

Purpose	Specification		Chemical Composition(%)				Magnetic material content(%)max
Abrasives grade			Al2O3min	Fe2O3max	SiO2max	TiO2max
	grain	12-80	99	0.05	0.26	0.08	0.0023
		90-150	99	0.06	0.28	0.09	0.0021
		180-220	99	0.08	0.30	0.10	0.0018
	micropowder	240-4000	98.5	0.1	0.40	0.15	—
Refractory grade	Group Size	0-1mm 1-3mm 3-5mm 5-8mm	99	0.1	0.35	0.3	—
	Fine Powder	-180mesh -200mesh -240mesh -320mesh	99	0.1	0.35	0.3	—
color			white
Hardness(mohs)			9.0
Melting point(°C)			2250
Maximum service temperature(°C)			1900
Ture density(g/cm3)			3.9

Abrasives grade

Grain: 16#,20#,24#30#,36#,46#,54#,60#,80#,100#,120#,150#,180#,220#

Micropowder:240#,280#,320#,360#,400#,500#,600#,800#,1000#,1200#,1500#

                       2000#,2500#,3000#,4000#

Refractory  grade

1-0mm,3-1mm,5-3mm,5-8mm -200mesh,-240mesh,-320mesh

Application

1.            it are suitable for grinding high-speed,high carbon steel

2.            high-grade refractory materials

3.            abrasives tool

4.            grinding and polishing

5.            ceramics

6.            LED

7.            sandblasting

8.            aviation

 Packing

1.25kg woven bag,40 woven bags/jumbo bag.

2.25kg woven bag,40 woven bags/pallet

3.25kg paper bag,40 paper bags/pallet

4.25kg paper  bag,40 paper bags/paper box