High Wear Resistant 95% Alumina Ceramic Guide Roller For Textile Machinery
Price:
Negotiable
MOQ:
2500PCS
Delivery Time:
25 DAYS AFTER PAYMENT
Brand:
KAMTAI
Product Description
1. Description
Alumina ceramic is the most cost effective and widely used material in the family of engineering ceramics. The raw materials from which this high performance technical grade ceramic is made are readily available and reasonably priced, resulting in good value for the cost in fabricated alumina shapes. With an excellent combination of properties and an attractive price, it is no surprise that fine grain technical grade alumina has a very wide range of applications.
Key properties
Hard, wear-resistant
Excellent dielectric properties from DC to GHz frequencies
Resists strong acid and alkali attack at elevated temperatures
Good thermal conductivity
Excellent size and shape capability
High strength and stiffness
Available in purity ranges from 94%, an easily metallizable composition, to 99.5% for the
Typical Uses
Gas laser tubes
Wear pads
Seal rings
High temperature electrical insulators
High voltage insulators
Furnace liner tubes
Thread and wire guides
Electronic substrates
Ballistic armor
Abrasion resistant tube and elbow liners
Thermometry sensors
Laboratory instrument tubes and sample holders
Instrumentation parts for thermal property test machines
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Product Name
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High Wear Resistant 95% alumina ceramic guide roller
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Material
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Zirconia, Alumina, and machinable ceramic
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Color
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White
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Size
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According to drawings or samples
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Surface Roughness
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Ra0.05
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Torlerance
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+/- 0.01mm
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Lead time
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10 - 30days
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Shipping
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Air Express (DHL/UPS/TNT/ FedEx)
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2.Performance For Industrial Ceramic
| Item | Unit | Steatite ceramic | 95 Al2O3 | 96 Al2O3 | |
| Physical Characteristics | Bulk density | g/cm3 | 2.7 | 3.6 | 3.6 |
| Water absorption | % | 0 | 0 | 0 | |
| Mechanical Characteristics | Flexural strength | Mpa | 145 | 320 | 340 |
| Hardness Vickers | Gpa | 5.7 | 12.2 | 13.5 | |
| Elastic modulus | Gpa | 120 | 280 | 320 | |
| Poisson’s ratio | - | 0.21 | 0.22 | 0.23 | |
| Thermal Characteristics | Linear expansion coefficient | (20-5000C) 10-6/℃ | 7.9 | 7.1 | 7.2 |
| Thermal conductivity | w/(m.k) | 2.5 | 16 | 24 | |
| Specific Heat | *10-3J/(kg*K) | 0.75 | 0.78 | 0.78 | |
| Electrical Characteristics | Dielectric constant(1MHZ) | - | 6.2 | 9 | 9.4 |
| Dielectric loss angle | *10-4 | 18 | 15 | 5 | |
| Dielectric strength | *106V/m | 18 | 12 | 15 |
We can supply the products according to customer's drawings, samples and performance requirement.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Yixing City Kam Tai Refractories Co.,ltd
Location
Dagang Village,Dingshu Town, Yixing City,Jiangsu Province, China
Contact Person
Bruce
