Complaint
We manufacture & supply advanced technical ceramic tubes custom machined to your specific design. Ceramic tubes are finding their way into more and more application due to their highly desirable mechanical, thermal, and electrical properties. Ceramic tubes can be used in extreme environments unlike many other materials. Precision Ceramics has a wide assortment of tube sizes available; depending upon the material, we can machine tubes with incredibly tight tolerances. Additionally, Precision Ceramics has standard size Alumina Tubes available in a variety of sizes and purities. Other materials may be available in custom dimensions and specifications. We are happy to offer material design & application assistance for any special requirements.
Ceramic Tube Applications
• Furnace work tubes
• Kiln furniture, components & accessories
• Thermocouple protection tubes
• Heater Support Elements
• High Temperature Electrical Insulators
• Extreme temperature measurement components
• Ceramic Laser components
• High voltage electrical insulators
| Properties | Units | 96% Al2O3 | 99% Al2O3 | Zirconia | Silicon Nitride | Machinable Ceramic |
| Material Characteristics | ||||||
| Gas Permeability | 0 | 0 | 0 | 0 | 0 | |
| Water Absorption | % | 0% | 0% | 0% | 0% | 0.038% |
| Colour | White | Ivory | White | Grey | White | |
| Density | g/cm3 | 3.7 | 3.85 | 6 | 3.2 | 2.7 |
| Physical Characteristics | ||||||
| Hardness | Kg/mm2 | 1100 | 1400 | 1100 | 1600 | 1175 |
| Modulus of Elasticity | Gpa | 300 | 350 | 200 | 300 | 65 |
| Flexural Strength | Mpa | 300 | 340 | 1150 | 600 | 108 |
| Compressive Strength | Mpa | 2100 | 2200 | 2500 | 2500 | 488 |
| Fracture Toughness | Mpam1/2 | 3.5 | 4 | 12 | 6 | |
| Thermodynamic Property | ||||||
| Max Use Temperature | °C | 1500 | 1650 | 1500 | 1800 | 800 |
| Thermal Conductiviey | W/(m.k) | 25 | 27.5 | 2.5 | 20 | 1.68 |
| Thermal Expansion Coefficient | 10-6/°C | 7.5 | 8 | 10 | 3.2 | 8.6 |
| Thermal Shock Resistance | △T°C | 200 | 200 | 250 | 600 | 200 |
| Specific Heat | J/kg.K | 860 | 860 | 500 | 500 | |
| Electrical Specification | ||||||
| Dielectric Strength | KV/mm | 12 | 10 | 5 | 40 | |
| Dielectric Constant | εr | 9.5 | 9.1 | 12 | 6 | 7 |
| Volume Resistivity | Ω | ≥1014 | ≥1014 | ≥1010 | ≥1014 | ≥1016 |
| Dielectric Loss Angle | 0.0002 | 0.0002 | 0.001 | |||
Why Choose Us?
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
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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