Customized Half Round Ceramic Protective Sleeve/Tube For Security Equipment
Alumina Furnace Tube / Ceramic Half Tube for Furnace offer:
- Extreme high temperature stability under reducing, inert and high vacuum condition under high temperature up to 1800°C.
- Extreme wear and abrasion resistance.
- Chemical corrosion resistance under high temperature.
- High dielectric properties.
- Gas tight for many applications to provide protective atmospheres or high vacuum at high temperature to eliminate contamination or impurity.
- Low material cost and custom size available.
- Available Tube Diameter From 3/16″ to 9″ for American size and 2 mm to 150 mm.
- Available Tube Length: From 1″ ( 25mm) To 72″ ( 1828mm).
- Most items are in Stock and can be delivered in 1-3 days.
- Sentro Tech also offer volume discount for all listed sizes if order quantity is more than 5 pieces for same size.
Properties of Alumina Ceramic tubes :
| Properties | Units | 95 Alumina | 99 Alumina | ZrO2 |
| Density | g / cm³ | 3.65 | 3.92 | 5.95-6.0g/cm³ |
| Water absorption | % | 0 | 0 | 0 |
| Coefficient of thermal expansion | 10-6/K | 7.9 | 8.5 | 10.5 |
| Modulus of Elasticity Young's Mod | GPa | 280 | 340 | 210 |
| Poisson's ratio | / | 0.21 | 0.22 | 0.3 |
| HV Hardness HV | MPa | 1400 | 1650 | 1300-1365 |
| Flexural Strength @ room temperature | MPa | 280 | 310 | 950 |
| Flexural Strength @700°C | MPa | 220 | 230 | 210 |
| Compressive Strength @ room temperature | MPa | 2000 | 2200 | 2000 |
| Fracture Toughness | MPa *m 1/2 | 3.8 | 4.2 | 10 |
| Heat conductivity @ room temperature | W/ m*k | 18-25 | 26-30 | 2-2.2 |
| Electrical Resistivity @ room temperature | Ω*mm2 /m | >1015 | >1016 | >1015 |
| Max use temperature | °C | 1500 | 1750 | 1050 |
| Resistance to acid alkaline | / | high | high | high |
| Dielectric Constant | / | 9.5 | 9.8 | 26 |
| Dielectric Strength | KV/mm | 16 | 22 | / |
| Thermol Shock Resistance | △ T ( °C ) | 220 | 180-200 | 280-350 |
| Tensile Strength @ 25 °C | MPa | 200 | 248 | 252 |
Company Description
Mingrui Ceramics has years of experience designing and developing technical ceramic solutions for a wide variety of applications and industries.Precision Costly Ceramic Plunger Pump Welding Machines For Equipment. We offer this expertise to all of our customers to ensure the best design and materials are chosen for their specific application and needs.Precision Costly Ceramic Plunger Pump Welding Machines For Equipment,Typically, our custom technical ceramic components and parts we supply are used for one of three main reasons:
High Temperature Resistant Alumina Furnace Tube / Ceramic Half Tube for Furnace
High temperature ceramics – crucibles, nozzles, lasers, furnace/kiln fixtures
High Temperature Resistant Alumina Furnace Tube / Ceramic Half Tube for Furnace
Wear and corrosion resistant ceramics – plates, housings, gages, caps/lids
High Temperature Resistant Alumina Furnace Tube / Ceramic Half Tube for Furnace
Electrical insulation ceramics – contact blocks, standoffs, fasteners, spacers
High Temperature Resistant Alumina Furnace Tube / Ceramic Half Tube for Furnace
Ming rui Ceramics is one of the world’s premiere technical ceramic suppliers – contact us to see what technical ceramics we can create for you.
High Temperature Resistant Alumina Furnace Tube / Ceramic Half Tube for Furnace
| 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 | / |
| Oxidation Resistance | Medium to High | low | low | / |
| Machinability | Medium | low | Medium | / |
| Product Name | High Temperature Resistant Alumina Furnace Tube / Ceramic Half Tube for Furnace |
| Material | Alumina Ceramic |
| Color | white or black or customed |
| Standard | according the request of customer |
| Grade | first class |
| Brade | Rock |
| Thread | coarse, fine |
| Used | High Temperature Resistant Alumina Furnace Tube / Ceramic Half Tube for Furnace |
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 .
