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Chemical compositions
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Physical properties
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Items
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Value of specification (%)
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Color
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White
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Al2O3
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99.20-99.7
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Melting point
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2250 C
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SiO2
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0.01-0.05
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Bulk density
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1.75-1.95g/cm3
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Na2O
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0.23-0.35
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Grain density
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3.90g/cm3 min
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Fe2O3
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0.04-0.08
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Hardness
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Morse hardness
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9
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Micro hardness
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21600-22600kg/mm2
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Package details
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25kg PVC bags & 1 MT big bag
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content of magnetic substance
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0.0023%max
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Usages
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grinding media, sandblasting media;
surface cleaning, grit blasting,
lapping, polishing, grinding,
sandblasting, etching
mineral skin abrasion materials
metal finishing & surface preparation
refractors, ceramics, coatings
bonded & coated abrasives
dental lab products
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Specifications
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Sizes
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Refractory grade
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Grain/Grit size
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8-5mm, 5-3mm, 3-1mm, 1-0mm
-8+5mm,-5+3mm,-3+1mm,-1+0mm
8-16,16-30,30-60,60-80
-8/+16, -16/+30, -30/+60, -30/+60
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Fine powder
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-320mesh, -280mesh, -240mesh, -200mesh
-180mesh, -150mesh, -120mesh, -100mesh
320F 280F 240F 200F
180F 150F 100F
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Abrasive grade
Sandblasting
grinding grade
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F8, F10, F12, F14, F16, F20, F22, F24, F30
F36, F40, F46, F54, F60, F70, F80, F90
F100, F120, F150, F180, F220
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Micro powder
Polishing grade
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“W”
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W63 W50 W40 W28 W20 W14 W10 W7 W5 W3.5 W2.5 W1.5 W0.5
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“FEPA”
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F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000
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|
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“JIS”
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240# 280# 320# 360# 400# 500# 600# 700# 800# 1000# 1200# 1500# 2000# 2500#
3000# 4000# 6000# 8000#
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Product Image
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