
alumina ceramic rotary knob button plunger parts
- Payment Type:
- L/C, T/T, D/P, Paypal, Money Gram, Western Union
- Incoterm:
- FOB
- Min. Order:
- 1 Piece/Pieces
- Min. Order:
- 1 Piece/Pieces
- Delivery Time:
- 15 Days
- Transportation:
- Ocean, Land, Air
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Contact NowPlace of Origin: | Guangdong,China |
---|---|
Supply Ability: | 1,000,000 pcs/Month |
Payment Type: | L/C,T/T,D/P,Paypal,Money Gram,Western Union |
Incoterm: | FOB |
Certificate: | SGS |
Transportation: | Ocean,Land,Air |
alumina ceramic rotary knob button plunger parts
Reputation depends on quality, quality comes from Hard!
Alumina Ceramic:
The main components of ruby and sapphire are alumina, which have different colors due to other impurities. Ruby contains red chrome oxide and red sapphire contains iron oxide and titanium dioxide.Alumina is the reason why metal aluminum is not easily corroded in the air. Pure metal aluminum reacts easily with oxygen in the air, creating a thin layer of aluminum oxide film that covers the aluminum surface exposed to air. This layer of aluminum oxide film prevents aluminum from being oxidized. The thickness and properties of this oxide film can be enhanced by a process known as anodizing (anode anti-corrosion).Aluminum is a good conductor of electricity and heat, while alumina is an electrical and thermal insulator. The crystal form of alumina is high in hardness and suitable for use as an abrasive material and cutting tool.
High hardness, high strength, wear resistance, corrosion resistance, high temperacture (1600°), good thermal diffusivity, good insulativity, low cost etc.
Data Sheet↓
Item |
Unit |
Typical Values |
Physical Properties |
||
Color |
white |
|
Density |
g/cm3 |
6.0 |
Zirconia Content |
% |
94.4% |
Gas permeability |
0 |
|
Water Absorption |
0 |
|
Crystal Size |
um |
0.5 |
Mechanical Properties |
||
Rockwell Hardness(45N) |
R45N |
78 |
Vickers Hardness (Load 500g) |
Gpa(Kg/mm²) |
11.5(1175) |
Flexural Strength(20°C) |
Mpa |
800 |
Compressive Strength(20°C) |
Mpa |
2000 |
Modulus of Elasticity(20°C) |
Gpa |
>200 |
Fracture Toughness(20°C) |
MPam1/2 |
9.0 |
Thermal Properties |
||
Thermal Conductivity(20°C-400°C) |
W(m.K) |
2.5 |
Thermal Expansion Coefficient |
10-6/°C |
9.6 |
Thermal Shock Resistance |
△T°C |
250 |
Application industry: Machinery, electronic, chemical, petroleum etc.
Specific application: Electrical ceramic substrate, plunger, sealing ring etc.
Company Information:
Shenzhen Hard Precision Ceramic CO.,Ltd founded in 2007, located in Shenzhen of China.
We are a company that integrates development, design, molding, sintering, production and sales of precision ceramic products. After 10 years of development, we have cooperated with more than 2000 customers and 60 universities; Our factory covers an area of 2000 square meters, 50 employees, and annual production value of nearly 20 million. We have a higher visibility and better reputation in the same industry.Our products include ceramic rods, tubes, plates, blocks and precision parts for industrial. We have all-line high precision equipments from ceramic forming, sintering to precision machining. Hope for a wide range of sincere cooperation with customers at home and abroad.
1.12 years of professional production industrial ceramics factory
2.High quality products with low price
3.High precision parts with lowest tolerance
4.Show time for production
5.Has a group of experienced, professional and efficient R&D team
6.Has a good reputation in China and abroad.
7.MOQ is not limited, small quantity is welcome.
8.Vigorous team and good after-sales service
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FAQ
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-30 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.
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