Morundum A-40 brown fused alumina abrasive

Brown fused alumina BFA is made from Calcined Bauxite. It is a hard and tough material, used in grinding wheels manufacturing (both vitrified and resin bonded) and coated products. These grains are also used for shot blasting and as polishing media.

Morundum A-40 brown fused alumina abrasive

Grit:#12 #14 #16 #20 #22 #24 #30 #36 #40 #46 #54 #60 #70 #80 #90 #100 #120 #150 #180 #220

Chemical composition %

Al2O3≥96.5%
Fe2O3≤0.10%
SiO2≤0.5%
TiO2 2.3%

Physical Properties

Specific GravitySpecific Gravity
Mohs Hardness9.0
Bulk Density1.53-1.99g/cm3
Melting Point2250℃
Refractoriness1900℃

Size range of brown fused alumina BFA grit

Grit Size range(um)Grit Size range(um)
#122000-1700#54355-300
#141700-1400#60300-250
#161400-1180#70250-212
#201180-1000#80212-180
#221000-850#90180-150
#24850-710#100150-125
#30710-600#120125-106
#36600-500#150106-75
#40500-425#18090-63
#46425-355#22075-53

Main Applications of Brown fused alumina

-Bonded Abrasives and Coated abrasives

-Cutting wheels/Cutting disc etc

-Wet and dry blast media,grinding and polishing etc

-PCB plate(PCBA,FPC,LED) blasting

-Polishing wax,Grinding stones,polishing pads etc

-removal of scale, rust and old coatings

-ceramics shapes

-Grinding wheels,Cup wheels etc

-brake and friction linings

Production Sizes

FEPA F12 F14 F16 F20 F22 F24 F30 F36 F40 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220 F230 F240 F280 F320 F360 F400 F500 F600 F800
JIS#12 #14 #16 #20 #24 #30 #36 #46 #54 #60 #70 #80 #90 #100 #120 #150 #180 #220 #240 #280 #320 #360 #400# #500 #600 #700 #800 #1000 #1200 #1500 #2000
PP12 P16 P20 P24 P30 P36 P40 P50 P60 P80 P100 P120 P150 P180 P220 P240 P280 P320 P360 P400 P500 P600 P800 P1000 P1200 P1500 P2000
TOCT 4# 3# M28 M20 M14 M10 M7

Packing

                     25KGS PVC BAGS                      1MT BIG BAG         25KGS PVC BAGS+1MT BIG BAG                25KGS PVC BAGS+PALLET

Production lines

 

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