Sewing Machine Aluminum Oxide Ceramic Wire Yarn Guide Good Insulation Performance
1.Description
Our industrial ceramic parts include, tube, rod, plate, disc, wafer, ring, seal, bearing, valves, pump plunger, beam, roller, shaft, screw, washer, sleeve, hunger, spacer, holder, carrier, insulator, fixture, clamp, chuck, nozzle, guide, frame, lining, and grinding media, milling ball or beads.
These precision toleranced ceramic components or assemblies are used in a wide range of semiconductor, electronic, electrical, mechanical, chemical, automotive, textile and the other industrial engineering applications, due to their extreme hardness, more resistances to wear, heat, corrosion, high electric insulation, and low thermal expansion.
2.Technical data
| Properties | Unit | Steatite ceramic | 95% Al2O3 | 99% Al2O3 | Zirconia Ceramic |
| density | g/cm³ | 2.7 | 3.6 | 3.8 | 5.6 |
| Flexural strength | Mpa | 145 | 300 | 300 | 354 |
| Hardness | Gpa | 5.7 | 7 | 10.7 | 12.3 |
| Elastic modulus | Gpa | 120 | 275 | 320 | 205 |
| Poissons ratio | - | 0.21 | 0.22 | 0.22 | 0.30 |
| Linear expansion coefficient | x 10-6/℃ | 7.9 | 7.1 | 7.8 | 9 |
| Thermal conductivity | w/(m.k) | 2.5 | 20 | 25 | 2.5 |
| Specific Heat | *10-3J/(kg*K) | 0.75 | 0.78 | 0.78 | 0.4 |
3. Features:
1) A variety of specifications available.
2) Satisfy various technical request
3) Lower medium spoilage
4) Good insulation performance and high temperature resistance
5) Stiffness texture
6) Good wear resistance
7) Mechanical strength
4. Application:
1) Knitting Machine
2) Winder Guides for PA thread
3) Twisting Machinery
4) Sensible fiber at low speed
5) Sensible fiber at high speed
6) Weaving machinery
7) Texturing machinery
8) Spinning machinery
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