Sign In | Join Free | My fazendomedia.com
fazendomedia.com
Zhongtian Special Alumina Co.,Ltd
Quality Comes First
Home > fused alumina >

fused alumina

fused alumina

Place of Origin : China
Brand Name : ZHONGYU
Model Number : 0-1/1-3/3-5mm -325mesh -200mesh 16# 24# 30# 36# 46# 54# 80#
Price : USD790
Packaging Details : 25kg/bag,40bags packed in one jumbo bag
Delivery Time : 15days
Payment Terms : TT
Supply Ability : 1000MT
MOQ : 20MT
Contact Now

Brown fused alumina is made from high quality bauxite by fusing in an electric arc furnace at high temperature. It has good toughness and high hardness. It is suitable for manufacturing of vitrified and resin bonded tools, and for lapping,polishin, and sand blasting and sand cleaning.
It can be also used to make superior refractory products.
Chemical & Physical Properties
Crystal Form
Alpha alumina trigonal system
Chemical nature
Amphoteric
Reaction with acids
Subject to mild attack by aqua and/or hydrofluoric acid
Reaction with Alkalies
Very slight with strong hot solution only
Oxidation-reduction effects
None
True Density(g/cm3)
3.97
Hardness
Knoop(kg/cm2)
2000-2200
Moh’s
9.0
Color
Dark Brown
Color after firing
Light blue
Melting point
2000°C
Max Usable temperature
1900°C
Specific heat (cal/g.°C)
0.26(20-29°C)
Coefficient of thermal conductivity (cal/cm2.sec.°C)
Room temperature
900°C
0.047
0.013
Electrical resistivity (Wcm)
30°C
300°C
900oC1600°C
1016
1013
105
104
Coefficient of liner expansion (x10-6)
7-9(0-1600°C)
Chemical Composition (% by weight)
Grit
Item
10 – 90
100 – 180
220 - 220
230-400
500-1200
Al2O3
94.5 - 97.0
93.5 min
92.5 min
91.0 min
89.0 min
TiO2
1.5 - 3.8
1.5 - 3.8
1.5 - 3.8
4.0 max
4.0 max
Magnetic Matters Contents (% by weight)
Grit No.
Magnetic Matters Content
16#-30
<;0.0380
36#-60#
<;0.0280
70-120#
<;0.0230
150#-220#
<;0.0170
Available grain sizes
Grit No.MicronGrit No.MicronGrit No.Micron
102360 ~ 200030710 ~ 60080212 ~ 180
122000 ~ 170036600 ~ 50090180 ~ 150
141700 ~ 140040500 ~ 425100150 ~ 125
161400 ~ 118046425 ~ 355120125 ~ 106
201180 ~ 100054355 ~ 300150106 ~ 75
221000 ~ 85060300 ~ 25018090 ~ 63
24850 ~ 71070250 ~ 21222075 ~ 53

Application
Vitrified tools
Lapping
Resinoid tools
Blasting
Polishing
Scrubing
Tumbling
Deburring
Self-tumbling
Non-slip
Lapping compound
Wire saw

Product Tags:

fused alumina

      

aluminium oxide

      

BFA

      
China Customized Inflatable Bumper Ball Game Bubble Adult Grass CE supplier

fused alumina Images

Inquiry Cart 0
Send your message to this supplier
 
From:
To: Zhongtian Special Alumina Co.,Ltd
Subject:
Message:
Characters Remaining: (0/3000)