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Wuxi Special Ceramic Electrical Co.,Ltd
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Industrial High Al2O3 99% Aluminum Oxide Ceramic Ring Insulated Wear Resistant

Wuxi Special Ceramic Electrical Co.,Ltd
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Industrial High Al2O3 99% Aluminum Oxide Ceramic Ring Insulated Wear Resistant

Brand Name : wuxi special ceramic

Model Number : screw

Place of Origin : Made in China

MOQ : 10p

Price : us$0.1~us$10/p

Payment Terms : T/T

Supply Ability : 200000p/month

Delivery Time : negotiable

Packaging Details : carton,pallet

name : ceramic ring

color : white,yellow,pink

features : high precision

forming method : hot molding,dry molding

shape : customerized

Material : Alumina Ceramic

surface roughness : 0.1um

process : sinter and machine

MOQ : 1P

secondary process : grinding,CNC machining

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Wear Resistant Industrial Customized Insulation Precision High Al2O3 99%Aluminum OxidevCeramic Ring
Aluminum oxide (Alumina) has an extensive application due to its versatility and low cost of material than other advanced ceramics. Alumina offers high electrical insulation resistance, high-temperature resistance, strong hardness, wear resistance, and good chemical stability, making it a good material to withstand high temperature and chemical corrosion.
Our factory produces a selection of purity of alumina from 75% to 99.8%, all of the ceramic parts we supplied are with a dense body via dry pressing, hot pressing, ceramic injection molding, and ISO pressing. In order to achieve some special application for fitting, reducing the friction, increasing the insulation, we provide a series of secondary processes after sintering, covering CNC machining, polishing, glazing, and metalizing.
We manufacture a wide range of alumina ceramic rings, including ceramic tubes, ceramic rings, ceramic discs, ceramic rods, ceramic arms, ceramic wire guides. Whether, it's a prototyping case, or high volume demand, we believe we are able to provide you with a desirable solution.

The accuracy achieved after precision ceramic machining
(1) Axis: roundness 0.002 mm, concentricity 0.002 mm, smoothness Ra0.1;
(2) Hole: the minimum processing hole diameter is 0.2 mm and the depth is up to 6mm;
(3) Slot: min. value to be 0.1 mm of narrow groove, and grooves with custom shapes;
(4) Plane: 0.1mm sheet with minimum processable thickness, parallelism 0.001mm, measurement tolerance 0.001 mm, finish Ra0.1;
(5) Thread: The minimum machinable M2 internal thread, the accuracy of GB-7h, the external thread size is not limited, the accuracy is GB-6g.



Specification

PropertyItemUnitALUMINA
General propertiesMain chemical ingredientAl₂O₃ 99.9%
Bulk Densityg/cm³3.9
Color-Ivory
Water absorption%0
Main Characteristics*Good Anti-Plasma*Wear Resistance*High Purity
Main Applications*Wear Resistant Parts*Chemically Resistant Parts*Semiconductor Processing Equipment Parts
Mechanical PropertiesFlexural StrengthMpa400
Elastic ModulusGpa380
Vickers HardnessGpa17.5
Compressive Strength 20℃Mpa-
Fracture Toughness(k l c)Mpa*M*1/25~6
Thermal PropertiesThermal conductivity(20℃)w/mk34
Thermal Shock-
Coefficient of Thermal expansion (40-400℃)1x10-6/℃7.2
Coefficient of Thermal expansion (40-800℃)1x10-6/℃8
Electrical PropertiesDielectric Strength(1mhz)kv/mm15
Dielectric Constant(1MHZ)25℃9.9
Volume Resistivityohm-cm(20℃)>10^14
ohm-cm(300℃)10^13
ohm-cm(500℃)10^10


Our Company
Wuxi Special Ceramic Electrical mainly produces alumina, Silicon nitride, Zirconia, Steatite, Boron nitride, Cordierite,mullite products, widely used in metal welding, electronic conductor, mechanics, assembling, insulation, chemicals, instrument, textile, nuclear industry, aerial field.We accept trial produce according to the drawing or sample.It usually takes 15 days to finish trial product.Mass produce usually takes 30 days.Goods' package is carton or PLT.It can be negotiable with each other.
We mainly sell goods to toshiba lighting group in Japan and Europe.Our aim is to deliver goods with high quality at quick delivery date.



quality guarantee:mass produce by 100% inspection
















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99% Aluminum Oxide Ceramic Ring

      

Insulated Aluminum Oxide Ceramic Ring

      

Wear Resistant Al2O3 Ceramic

      
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