Loading Port:Qingdao
Payment Terms:TT OR LC
Min Order Qty:500 pc
Supply Capability:10000 pc/month
material : 95% alumina ceramic
A variety of specifications available, ceramic eyelet, ceramic pigtail, ceramic wire guide, etc.
Advantage:
1.Using the high hardness of the ceramic material, wear resistant.
2.Precise in size .
3.Precision polishing of surface can reach 0.2, smoothly.
4.Complete product specifications.
Function:
Suitable for using in textile machinery, twisting machinery,fine spinning, weaving machinery and knitting machinery.
Data&Item | Hight Frequency Ceramic | 75% alumina Ceramic | 95% alumina Ceramic | 99% alumina Ceramic | Titanium Oxide | Zirconia | Mullite |
Content | steatite 85% | alumina≥75% | alumina≥95% | alumina≥99% | Titanium Oxide≥90% | Zirconia≥90% | 3ALz032si02 |
Fring temperature(°C) | 1350±20 | 1400-1450 | 1650-1680 | 1780-1800 | 1450±20 | 1550-1600 | 1260-1540 |
Bulk density(fired) (g/cm) | 2.8 | 3.2 | ≥3.6 | ≥3.8 | ≥3.7 | >6 | 3.25 |
Dielectric Strength(kv/mm) | 15 | 13 | 15 | 15 | 15 | ||
Water absorption(%) | <0.02 | <0.015 | <0.01 | <0.01 | <0.01 | <0.01 | <0.01 |
Compressive Strength | 560 | 2200 | 2400 | 3700 | 7200 | 5000 | |
Hardness(HRA) | ≥75 | ≥75 | ≥82 | ≥88 | ≥80 | ≥85 | 65-70 |
Volume Resistance (cm) 25°C | ≥1012 | >1012 | >1012 | >1012 | <1012 | >1012 | ≥1012 |
Flexural Strength(MPA) | 126 | 280 | 320 | 400 | 150 | 700 | 180 |
Thermal Expansion(*10) 25°C-700°C | 6-7.5 | 6 | 6.2-8.5 | 6.8-8 | 9-10 | 4-4.4 | |
Permittivity(MHZ) | 6 | 5.5 | 8.5 | 9.5 | 7 | ||
Roughness(Ra) | ≤0.8 | ≤0.8 | <0.1 | ||||
Mirror Polish | <0.3 | ≤0.1 | ≤0.05 | ≤0.03 |
