Active Member
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[China]
Address: NO 21st ChuangXing Road, Shangsha community , Changan Town, Dongguan city Guangdong province, China
Contact name:Admin deng
Dongguan Ming Rui Ceramic Technology Co.,ltd |
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High Fracture Toughness Zirconia Ceramic Tube Insulation Wear Resistant
Tag key words : zirconia ceramic tube
Mingrui Ceramic provides technical zirconia ceramic tube such as alumina tubes with high purity, tight dimensional tolerance and competitive price. Our alumina tube products with diameter from 1mm to 100mm and purity up to 99.8% will fulfil most of the requirements. Custom manufacturing for special shapes are always available.
Zirconia as a fine ceramic material is widely used in a lot of industries. Zirconia tubes has superb performances in electrical insulation, high chemical resistance and low thermal expansion and these ceramic tubes are widely used in industrial ovens and machines. High purity alumina materials are excellent for making alumina components for CVD, ion implants, photolithography, and semiconductor manufacturing. In traditional industries, alumina tubes are ideal for products such as injector tubes and insulators. Alumina tubes are also widely used as protector for high temperature thermal couples.
Typical materials of alumina ceramic tubes.
| Composition | UNIT | AL60 | AL95 | AL98 |
| AL2O3 content | % | 96 | 99.5 | 99.8 |
| Color | White | Ivory | Ivory | |
| Tensile strength | Kpsi | 32 | 38 | 36 |
| Flexural strength | Kpsi | 52 | 55 | 54 |
| Compressive strength | Kpsi | 300 | 377 | 350 |
| Density | g/cc | 3.70 | 3.90 | 3.92 |
| Hardness | HV, GPa | 13.8 | 17.2 | 18 |
| Thermal Conductivity | W/(m K) | 25 | 30 | 30 |
| C.O.T.E. | In / In°C (x10^-6) | 7.7 | 7.8 | 7.8 |
| Working temperature | °C | 1500 | 1650 | 1750 |
| Dielectric Constant | 9.5 | 9.7 | 9.8 | |
| Volume Resistivity (25°C) | Ohm-cm | >10^14 | >10^14 | >10^14 |
Advantages of zirconia ceramic tube :
1). Excellent insulation, security, long working life.
2). High temperature resistance
3). Resistance to electric breakdown
4). Stand wear and tear
5). High strength
6). Corrosion resistance
7). Good compactness
8). HIgh hardness
| General Characteristics of Materials: | ||||
| Characteristic | Ceramics | Metals | Polymers | Refractory |
| Density | Low to High | Low to High | Low | Low to Medium |
| Hardness | High | Medium | low | Medium |
| Toughness | low | High | Medium | low |
| Wear Resistance | High | Medium | low | Medium |
| Tensile Strength | Low to Medium |
High | low | low |
| Compressive Strength | High | Medium to High | low to Medium | High |
| Young’s Modulus | Medium to High | Low to High | Low | Medium |
| Dimensional Stability | High | low to Medium | low | / |
| Thermal Expansion | Low to Medium | Medium to High | High | low |
| ThermalConductivity | Medium | Medium to High | Low | Medium |
| Thermal Shock | Low | Medium to High | High | low to Medium |
| Electrical Resistance | High | low | High | / |
| Chemical Resistance | High | low to Medium | Medium | / |
Character of ceramic parts :
1. High temperture ceramics -- crucibles , nozzles , lasers , furnace / kiln fixtures
2. wear and corrosion resistant ceramics -- plates, hosings , gages , caps / lids
3. Electrical insulating ceramics --contact blocks , standoffs, fasteners , spacers
4. Good dimension stability , no deformation at any situation
5. beatiful apprearance , never be aged and ocidated .
Industrial Ceramic Intriduction
Aluminium Oxide, Al2O3 is the most widely applied and cost
effective technical ceramic material. It offers a combination of
superior mechanical strength and electrical properties, wear
resistance and corrosion resistance. The maximum working
temperature is up to 1700 °C with relatively high thermal
conductivity. It is also an electrically insulating material with a
high electrical resistivity. The good corrosion resistance makes it
insoluble in water and slightly soluble in strong acid and alkaline
solution.
Company Introduction
Mingrui ceramic manufacture and provides alumina ceramic components
for a wide range of application like Mechanical Equipment,
Electronic & Electrical, Oil Drilling, Medical, Chemical
Industry etc. According to actual application and customer's
requirement, the purities vary from 95%-99.7% and the forming
methods will be different. The forming methods applied in our plant
include dry pressing, isostatic pressing, injection moulding,
extrusion moulding. With experienced engineers and talented
workers, we are confident to offer high quality, high precision,
complex components for customers worldwide.
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
15-20 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, 30%
T/T in advance ,balance before shippment.
If you have any other question, pls feel free to contact us .
