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Polishing white coundum powder for grinding wheels white fused alumina emery powder alundum powder

Polishing white coundum powder for grinding wheels white fused alumina emery powder alundum powder product name: Polishing white coundum powder for grinding wheels white fused alumina emery powder alundum powder
Place of Origin: Peoples Republic of China
Post Date: April 14, 2018
Edit Date: April 14, 2018

Detailed Product Description:

 White fused alumina

White fused alumina was made from the high quality alumina by melting above 2000 in the electric arc furnace and cooling. It is white with the main crystal phase alpha-Al2O3.

chemical composition

1.Used for refractory,furnace burden,castable,ramming compoynd, painting etc

 

Section sand

fine powder/macropowder

Size

12-6mm    10-8mm    8-5mm    6-3mm

5-3mm     3-1mm     1-0mm    1-0.5mm

0.5-0.2mm  0.5-0mm   0.3-0mm

60mesh-0 80mesh-0 100mesh-0 120mesh-0 150mesh-0 200mesh-0 325mesh-0

Chemical compositions(%)

Al2O3

99.5min

Al2O3

99.0min

Fe2O3

0.04max

Fe2O3

0.20max

 

Na2O

0.30max

Na2O

0.40max

SiO2

0.02max

SiO2

0.05max

2.Used for abrasives,blasting,grinding,ceramic,rust removal,surface treatment,floor coating,abrasion resistant layer etc

Granularity sand/Granular sand/ particle size/ grit size sand/grain size sand

Size

FEPA

F8 F10 F12 F14 F16 F20 F22 F24 F30 F36 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220

JIS

#8 #10 #12 #14 #16 #20 #24 #30 #36 #46 #54 #60 #70 #80 #90 #100 #120 #150 #180 #220

 

Chemical compositions(%)

Al2O3

99.5min

Fe2O3

0.04max

Na2O

0.26max

SiO2

0.02max

3.Used for abrasives ,lapping,Polishing,Polishing wax,polishing fluid,grinding stones,whetstone,abrasive stone polishing pads,abrasive discs etc

Micropowder/burnishing powder/polishing powder

 

Size

FEPA

F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000

JIS

#240 #280 #320 #360 #400# #500 #600 #700 #800 #1000 #1200 #1500 #2000 #2500 #3000 #4000 #6000 #8000

 

Chemical compositions(%)

Al2O3

99.20-99.7

Fe2O3

0.04-0.08

Na2O

0.23-0.35

SiO2

0.01-0.05

Main Physical Properties

 Mohs hardness

                 9.0

 Bulk density

                1.75-1.95g/cm3

Specific gravity

3.95g/cm3