Textile Thread Use Alumina Ceramic Parts Yarn Guide High Wear Resistant
Alumina ceramic guide pulley with self lubrication action has the advantages of super hardness,high wear-resisting,good corrosion resistance high intensity , high mechanical strength, good chemical stability, mechanical seal good, polishing surface and so on.It widely used in various aquatic equipments.
Property
| Items | Unit | 95%Al2O3 | 99.5%Al2O3 |
| Density | g/cm3 | 3.7 | 3.9 |
| Flexural Strength | MPa | 313 | 340 |
| Compressive Strength | MPa | 3400 | 3600 |
| Modulus of Elasticity | GPa | 350 | 380 |
| Impact Resistance | MPa·m1/2 | 4 | 5.1 |
| Weibull Modulus | m | 10 | 10 |
| Vickers Hardness | HV0.5 | 1800 | 1900 |
| Thermal Conductivity | W/mk | 24 | 27 |
| Highest Application Temperature | °C | 1600 | 1750 |
| Volume Resistivity at 20°C | Ω.cm20 | >1014 | >1014 |
| Dielertric strength | KV/mm | 20 | 25 |
| Thermal expansion | X10-6/K | 5.0-8.3 | 5.4-8.3 |
2.Advantages:
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
Customize various models and sizes ceramic
3. 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
