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Master Bond adhesives

Aluminum Oxyhydroxide, AlO(OH), Diaspore
Categories: Ceramic; Oxide; Aluminum Oxide

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Physical PropertiesMetricEnglishComments
Density 3.44 g/cc0.124 lb/in³
a Lattice Constant 4.396 Å4.396 Å
b Lattice Constant 9.426 Å9.426 Å
c Lattice Constant 2.844 Å2.844 Å
Formula Units/Cell (Z) 44
Molecular Weight 59.989 g/mol59.989 g/mol
 
Chemical PropertiesMetricEnglishComments
Molar Volume 17.76 cc/mol17.76 cc/mol
 
Mechanical PropertiesMetricEnglishComments
Hardness, Mohs 6.5 - 76.5 - 7
 
Thermal PropertiesMetricEnglishComments
Specific Heat Capacity  0.680 J/g-°C
@Temperature 24.9 °C
0.163 BTU/lb-°F
@Temperature 76.7 °F
Calculated
 0.840 J/g-°C
@Temperature 127 °C
0.201 BTU/lb-°F
@Temperature 260 °F
Calculated
 0.890 J/g-°C
@Temperature 25.0 °C
0.213 BTU/lb-°F
@Temperature 77.0 °F
Crystalline
 0.960 J/g-°C
@Temperature 227 °C
0.229 BTU/lb-°F
@Temperature 440 °F
Calculated
 1.06 J/g-°C
@Temperature 327 °C
0.253 BTU/lb-°F
@Temperature 620 °F
Calculated
Heat of Formation -999.8 kJ/mol-999.8 kJ/molCrystalline
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.7021.702na
 1.7221.722nß
 1.75
@Wavelength 435.8 nm
1.75
@Wavelength 435.8 nm
ng
 
Descriptive Properties
BrittlenessBrittle
Cleavage(010)Perfect
Crystal StructureOrthorhombic
LusterBrilliant Pearl
SolubilityInsoluble in H2O

References for this datasheet.

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EINOR2023b / 135564

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