Multislot Alunia Ceramic Wire Guides/Textile Yarn Guide/Slotted Ceramic Eyelet
Product Description
1. Material: 99%alumina
2. 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
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
Product Description
1. Material: 99%alumina
2. 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
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
| Alumina Content | 80-85% | 90-96% | > 99.5% | 99% | |
| General Application | Lower Cost Electrical & Mechanical | High Strength, Wear Resistant, Electronic, Insulating, Mechanical, Structural & Metalizing | Extremely High Purity, Temperature & Strength; Excellent Corrosion & Wear Resistance | Porous, Easily Degassed & Machinable | |
| Porosity | % | 0-.05 | 0-.05 | 0-.05 | Variable |
| Density | gm/cm 3 | 3.45-3.50 | 3.55-3.75 | 3.75-3.95 | 2.4 |
| Flexural Strength | kpsi | 35.0-40.0 | 40.0-50.0 | 50.0-55.0 | - |
| Comprehensive Strength | kpsi | 260.0 | > 300.0 | > 300.0 | - |
| Tensile Strength | kpsi | 15.0-20.0 | 20.0-28.0 | 20.0-28.0 | - |
| Linear Coefficient of Thermal Expansion | (cm/cm/°C) 25-300°C 25-700°C | 5.9X10 -6 6.5X10 -6 | 6.3X10 -6 7.0X10 -6 | 6.5X10 -6 7.5X10 -6 | 6.5X10 -6 7.5X10 -6 |
| Dielecctric Constant at 25°C | 1 MH 10 MH | 8.5-8.9 8.4-8.8 | 9.2-9.8 9.0-9.6 | 9.5-9.9 9.3-9.7 | - |
| Dielectric Strength | Volt/mil | 200 | 225 | 225 | - |
| Te Value | °F °C | 1472 800 | > 1832 > 1000 | > 1832 > 1000 | > 1832 > 1000 |
| Thermal Conductivity at 25°C | cal/sec/cm 2 /cm/°C | .03-.04 | .04-.06 | .07-.08 | - |
| Thermal Shock | Good | Good | Good | Good | |
| Safe Use Temperature | °F °C | 2550 1400 | 3000-3100 1650-1700 | 3275 1800 | 3275 1800 |
