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OEM Precision Alumina Ceramics OEM Precision Alumina Ceramics OEM Precision Alumina Ceramics OEM Precision Alumina Ceramics OEM Precision Alumina Ceramics OEM Precision Alumina Ceramics

OEM Precision Alumina Ceramics

3000+kinds of Precision Alumina Ceramics Molds in Stock .Customized specifications are welcome





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Product Item:OEM Precision Alumina Ceramics


OEM of Alumina  ceramic

1.Can be made into various of complex shapes, high dimension accuracy.

2.Contact with flame directly,no odor and volatile gases at high temperatures

3.High mechanical strength

4.Low shrinkage,low thermal conductivity.

5.Excellent strength in high temperature and thermal stability.


Why choose CS CERAMIC

6 Steps Inspection Processes

15+ Years Oversea Market experience

30+ Years Manufacturer

300+ Members Professional Team

8000+ Kinds of Molds in Stock


CS CERAMIC Encyclopedia

1. Mechanical aspects. 
There are wear-resistant alumina ceramic lining brick, liner, lining, alumina ceramic nails, ceramic seals (alumina ceramic ball valves), black alumina ceramic cutting tools, red alumina ceramic plunger and so on.
2.Electronic, power aspects.
 There are a variety of alumina ceramic floor, substrate, ceramic film, high pressure sodium lamp transparent alumina ceramic and a variety of alumina ceramic insulation porcelain pieces, electronic materials, magnetic materials.
3.Chemical aspects. 
Alumina ceramic chemical filler ball, alumina ceramic microfiltration membrane, alumina ceramic corrosion-resistant coating.
4.Medical aspects. 
Alumina ceramic artificial bone, hydroxyapatite coated polycrystalline alumina ceramic artificial teeth, artificial joints and so on.
5.Building sanitary ceramics. 
Ball mill with alumina ceramic lining brick, microcrystalline wear-resistant alumina ball stone has been widely used, alumina ceramic roller, alumina ceramic tube and a variety of alumina, alumina combined with other materials refractory applications everywhere visible.
6.Other aspects. 
Various kinds of composite, modified alumina ceramics such as carbon fiber reinforced alumina ceramics, zirconia reinforced alumina ceramics and other toughened alumina ceramics are increasingly used in high-tech fields; alumina ceramic abrasive, high-grade polishing paste In the machinery, jewelry processing industry has played an increasingly important role; In addition, alumina ceramic grinding media in paint, paint, cosmetics, food, pharmaceutical and other industries of raw materials, grinding and processing applications are more and more widely.


Technical reference 

CS Ceramic's products accuracy
Shaft part: 0.0015mm for axial dimensions
0.001mm for circular degree
0.0025mm for concentricity
0.01 for roughness
The minimum processing aperture: 0.3mm, and depth limit 3mm
0.002mm for axial dimensions of diameter 1mm aperture
0.02~0.04 for roughness
Tolerance of plane processing: 0.002 for flatness
0.0015mm for measuring tolerance
Ceramic processing thread: processing internal thread size limit M2
Thread accuracy gb-7h
 Unlimited size for external thread
 Thread accuracy gb-6g

Technical parameters of alumina ceramics crucibles

material aluminium oxide
terms unit AL997  AL995 AL99 AL95
content / 99.70% 99.50% 99.00% 95%
color / ivory white ivory white ivory white ivory white  white
gas tigntness / air proof air proof air proof air proof
density g/cm3 3.94 3.9 3.8 3.75
straightness /  1 1‰ 1‰  1
hardness Moh's hardness 9 9 9 8.8
water absorption / ≤0.2 ≤0.2 ≤0.2 ≤0.2
bending strength (20) Mpa 375 370 340 304
compressive strength (20℃) MPa 2300 2300 2210 1910
thermal coefficient of expansion (20℃ to 800℃) 10-6/ 7.6 7.6 7.6 7.6
dielectric strength (5mm thickness) AC-kv/mm 10 10 10 10
dielectric loss 25℃@1MHz / <0.0001 <0.0001 0.0006 0.0004
dielectric constant 25℃@1MHz / 9.8 9.7 9.5 9.2
mass resistivity 20℃ / 300℃  Ω*cm3 >1014 / 2*1012 >1014 / 2*1012 >1014 / 4*1011 >1014 / 2*1011
long time usage temperature 1700 1650 1600 1400
heat conductivity      25℃ W/(m*K) 35 35 34 20

OEM item picture :

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Advanced Alumina Ceramics Features:

1.A variety of specifications available

2.Lower medium spoilage  

3.High strength  

4.High density  

5.Satisfy various technical request

6.Good insulation performance 

7.Wear resistant performance

8.Refractory and high temperature resistance





ShippingWe do international shipping .


OEM : 

Since most of our products are custom-made, if the existing products do not meet your expectations, please provide relevant drawings and requirements, we can arrange the open mold production.




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