White aluminum oxide powder for polishing hard contact lenses

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US $1,750-2,099 / Metric Tons | 1 Metric Ton/Metric Tons (Min. Order)
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Overview
Quick Details
Place of Origin:
Henan, China (Mainland)
Brand Name:
sicheng
Model Number:
F1000
Material:
Al2O3
Usage:
polishing hard contact lenses
Abrasive Grain Sizes:
1000
Color:
white
Shape:
grit
Acid-alkali resistance::
yes
Corrosion resistance:
yes
High temperature resistance:
yes
PRODUCT NAME:
ELECTRIC ALUMINIUM, CORUNDUM, WHITE FUSED ALUMINA OXIDE, ABRASIVE,WFA
CERTIFICATE:
BV ROHS SGS DGM
SAMPLE:
AVAILBLE
MOHS HARDNESS:
9
PAYMENT TERM:
T/T PAYPAL WESTERN UNION MONEYGRAM
SupplyAbility
SupplyAbility:
50 Metric Ton/Metric Tons per Month
Packaging & Delivery
Packaging Details
25kg PVC bags+1MT big bag
Port
Tianjing/Qingdao/Shanghai
Lead Time :
10 working days

White aluminum oxide  powder for polishing hard contact lenses

 

1.Product Description

White fused alumina abrasive powder is produced by fusing calcined alumina in an electric arc furnace under carefully controlled conditions. The material produced is white in color, dense and has predominantly large crystals of Alpha Alumina. Ingots are crushed, ground, and precision screened in our new sizing plant to obtain very consistent sized fractions. Magnetic iron from crushing is removed by rare earth magnets to ensure very low levels of iron in the finished products. Close sized fractions are available or precision blended to specification. This process ensures a very consistent sizing from coarse to fines which is critical in many applications.

2.Product Features

White fused alumina abrasive powder slightly higher than the brown fused alumina , toughness slightly, with its abrasive made for grinding high-carbon steel, high-speed steel and stainless steel fine-grained abrasive. Can also be used for precision casting and high-level refractory material.

3.The application scope of White aluminum oxide powder 
For abrasive

For Polishing ,sandblasting and grinding

  Model: White aluminum oxide powder 

    Chemical compositions

                     Physical properties

Items

Value of specification (%)

             Items

Property

Al2O3

          99.10min

             Color

White

SiO2

          0.04max

             Bulk density

1.75-1.95g/cm3

Na2O

          0.35max

             Grain density

3.90g/cm3 min

Fe2O3

          0.06max

 

hardness

Morse hardness

9

Micro hardness

21600-22600kg/mm3

 Usage

        polishing hard contact lenses.

content of magnetic substance

0.0023%max

4.Mills

White Aluminum Oxide plants

Brown Fused Alumina plants

Mullite plants 

5.About us 

Henan Sicheng Abrasives Tech Co., Ltd., owning two manufacturing enterprises for abrasives and machinery respectively, is a comprehensive joint-stock company integrating production, R&D and trade. Our company has been specializing in abrasives and machinery for over 10 years, and enjoys a good reputation for our best quality and service.

 Welcome our friends from home and abroad to Sicheng.