Abrasive Electrofused Aluminum Oxides

Click on the product name for technical information and safety information.

 

Product’s name AL UK RUHC MAXCAL ALOMAX BT BTM ALSO
Security record MSDS MSDS MSDS MSDS MSDS MSDS MSDS MSDS
Product Color White pink Dark pink Light brown Light brown Brown Brown Brown
After Burning (1300ºC) White pink Dark pink Light brown Light brown Blue Light blue Light gray
Chemical Analysis (%) (Typical) (1)
Al 2 O 3 99.36 99.02 97.46 98.18 98.11 95.84 95.96 96.71
TiO 2 0.01 0.01 0.01 0.99 0.98 2.72 2.10 1.29
SiO 2 0.09 0.05 0.07 0.47 0.49 0.70 0.89 0.85
Fe 2 O 3 0.06 0.08 0.10 0.06 0.10 0.21 0.50 0.76
MgO 0.04 0.01 0.02 0.14 0.12 0.39 0.33 0.24
Dog 0.04 0.04 0.03 0.06 0.10 0.04 0.14 0.05
Na 2 O 0.38 0.39 0.31 0.04 0.04 0.04 0.03 0.04
K 2 O 0.02 0.03 0.02 0.06 0.06 0.06 0.05 0.06
Cr 2 O 3 Nihil 0.37 1.98 Nihil Nihil Nihil Nihil Nihil
Macro Alumina Crystals in Trigonal Class, Hexagonal Class Crystalline Structure (2)
Crystal Size (m) (2) 6,000 6,000 6,000 3500 3500 5000 4000 3000
Specific Gravity (g / cm³) (3) 3.85 3.89 3.89 3.96 3.96 3.96 3.96 3.96
Tenacity (%) Grit 16 (4) 38 43 47 42 39 48 43 38
Magnetic Content (%) (5)
L-Grits 0.001
R-grits 0.001 0.005 0.007 0.035 0.035 0.035 0.08 0.10
B-grits 0.001 0.005 0.007 0.035 0.035 0.035 0.08 0.10
Melting Point (ºC) 2040 2030 2020 2020 2020 2020 2020 2020

 

Standard Granulometries

 

Grains – L
Sandpaper  – 16, 20, 24, 30, 36, 40, 50, 60, 80, 100, 120, 150, 180, 220
Grains – R
Grinding wheels  – 8, 10, 12, 14, 16, 20, 22, 24, 30, 36, 40, 46, 54, 60, 70, 80, 90, 100, 120, 150, 180, 220, 240
Grains – B
Blasting  – 16, 20, 24, 30, 36, 46,54, 60, 70, 80, 90, 100, 120, 150, 180, 220, 240

 

Loose Density Limits (g / cm3) Sandpaper

 

  AL BT ALSO ALOMAX
MAXCAL
16 1.68 – 1.78 1.83 – 1.93 1.75 – 1.85 1.75 – 1.85
20 1.66 – 1.76 1.82 – 1.92 1.75 – 1.85 1.74 – 1.84
24 1.66 – 1.76 1.81 – 1.91 1.75 – 1.85 1.74 – 1.84
30 1.66 – 1.76 1.79 – 1.89 1.74 – 1.84 1.71 – 1.81
36 1.65 – 1.75 1.75 – 1.85 1.71 – 1.81 1.70 – 1.80
40 1.65 – 1.75 1.72 – 1.82 1.71 – 1.81 1.66 – 1.76
50 1.63 – 1.73 1.70 – 1.80 1.70 – 1.80 1.65 – 1.75
60 1.61 – 1.71 1.70 – 1.80 1.68 – 1.78 1.65 – 1.75
80 1.57 – 1.67 1.66 – 1.76 1.67 – 1.77 1.63 – 1.73
100 1.54 – 1.64 1.64 – 1.74 1.62 – 1.72 1.56 – 1.66
120 1.50 – 1.60 1.62 – 1.72 1.60 – 1.70 1.55 – 1.65
150 1.48 – 1.58 1.58 – 1.68 1.58 – 1.68 1.52 – 1.62
180 1.44 – 1.54 1.56 – 1.66 1.55 – 1.65 1.50 – 1.60
220 1.41 – 1.51 1.55 – 1.65 1.54 – 1.64 1.49 – 1.59

 

Grinding wheels and Blasting

 

AL UK RUHC ALOMAX

MAXCAL

BT BTM ALSO
08 1.80 – 1.90 2.00 – 2.10
10 1.75 – 1.85 1.79 – 1.89 1.96 – 2.06
12 1.75 – 1.85 1.78 – 1.88 1.91 – 2.01 1.95 – 2.05
14th 1.75 – 1.85 1.71 – 1.81 1.77 – 1.87 1.90 – 2.00 1.93 – 2.03
16 1.75 – 1.85 1.70 – 1.80 1.75 – 1.85 1.89 – 1.99 1.91 – 2.01 1.85 – 1.95 1.78 – 1.88
20 1.74 – 1.84 1.69 – 1.79 1.74 – 1.84 1.89 – 1.99 1.90 – 2.00 1.84 – 1.94 1.76 – 1.86
22 1.74 – 1.84 1.68 – 1.78 1.74 – 1.84 1.88 – 1.98 1.89 – 1.99 1.83 – 1.93 1.75 – 1.85
24 1.74 – 1.84 1.67 – 1.77 1.73 – 1.83 1.87 – 1.97 1.88 – 1.98 1.82 – 1.92 1.74 – 1.84
30 1.73 – 1.83 1.65 – 1.75 1.72 – 1.82 1.84 – 1.94 1.86 – 1.96 1.80 – 1.90 1.72 – 1.82
36 1.72 – 1.82 1.65 – 1.75 1.71 – 1.81 1.81 – 1.91 1.84 – 1.94 1.78 – 1.88 1.70 – 1.80
40 1.72 – 1.82 1.65 – 1.75 1.70 – 1.80 1.81 – 1.91 1.83 – 1.93 1.76 – 1.86 1.71 – 1.81
46 1.71 – 1.81 1.64 – 1.74 1.69 – 1.79 1.80 – 1.90 1.82 – 1.92 1.75 – 1.85 1.69 – 1.79
54 1.69 – 1.79 1.63 – 1.73 1.67 – 1.77 1.76 – 1.86 1.80 – 1.90 1.73 – 1.83 1.66 – 1.76
60 1.67 – 1.77 1.62 – 1.72 1.65 – 1.75 1.75 – 1.85 1.77 – 1.87 1.71 – 1.81 1.66 – 1.76
70 1.63 – 1.73 1.61 – 1.71 1.62 – 1.72 1.72 – 1.82 1.73 – 1.83 1.69 – 1.79 1.66 – 1.76
80 1.61 – 1.71 1.58 – 1.68 1.58 – 1.68 1.71 – 1.81 1.71 – 1.81 1.66 – 1.76 1.63 – 1.73
90 1.59 – 1.69 1.54 – 1.64 1.55 – 1.65 1.68 – 1.78 1.70 – 1.80 1.64 – 1.74 1.62 – 1.72
100 1.58 – 1.68 1.52 – 1.62 1.52 – 1.62 1.65 – 1.75 1.69 – 1.79 1.63 – 1.73 1.62 – 1.72
120 1.54 – 1.64 1.48 – 1.58 1.49 – 1.59 1.62 – 1.72 1.67 – 1.77 1.61 – 1.71 1.57 – 1.67
150 1.51 – 1.61 1.44 – 1.54 1.46 – 1.56 1.59 – 1.69 1.63 – 1.73 1.58 – 1.68 1.54 – 1.64
180 1.50 – 1.60 1.41 – 1.51 1.43 – 1.53 1.55 – 1.65 1.58 – 1.68 1.56 – 1.66 1.52 – 1.62
220 1.47 – 1.57 1.40 – 1.50 1.37 – 1.47 1.55 – 1.65 1.56 – 1.66 1.55 – 1.65 1.50 – 1.60
240 1.47 – 1.57 1.40 – 1.50 1.37 – 1.47 1.54 – 1.64 1.52 – 1.62 1.53 – 1.63 1.47 – 1.57
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