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Description:

for making vitrified bonded grinding wheels

 Description:

AETL isa very tough brown fused aluminum oxide abrasive with mediumtitania, blocky shape and high density. To get the kind of grains,we specially process the ingots, separate the magnetic material,and sieve the grains carefully to get a complete range of gritsizes. It is used for making vitrified bonded abrasive productswhere the very tough, strong aluminum oxide is required.

 

 

Applications:

AETL isused for making vitrified bonded grinding wheels. The tough, strongaluminum oxide characteristic also enable this abrasive the usedfor pressure blasting and surface finish.

 

 

TypicalChemical Analysis:

Al2O3                      96.00%

TiO2                        2.76%

SiO2                        0.78%

Fe2O3                      0.07%

 

 

PhysicalProperties:

Color                               Brown

Shape                             Blocky, edge sharp

CrystalForm                   Alphaalumina trigonal system

SpecificGravity             3.92

Hardness                       2090 Knoop scale, 9.0 Mohs scale

MagneticMaterial         0.0076%

 

 

GrainSizes Available (F):

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

 

 

BulkDensity:

Grit(F)    g/cc      Grit(F)    g/cc        Grit(F)     g/cc    Grit(F)     g/cc

12    1.99 – 2.13     24     1.87– 2.01     54   1.74 –1.88   100   1.61 – 1.75

14    1.97 – 2.11     30     1.85– 1.99     60   1.72 –1.86   120   1.60 – 1.74

16    1.93 – 2.08     36    1.82 –1.96     70   1.69 – 1.84  150   1.57 – 1.71

20    1.91 – 2.05     40     1.78– 1.91     80   1.68 –1.82   180   1.55 – 1.70

22   1.89 – 2.03    46     1.76 – 1.90    90   1.66 – 1.80   220   1.54 –1.68

 

 

GrainSize Distribution :

UponANSI B74.12-2001, FEPA-Standard 42-1:2006 or ISO 8486-1