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Mica ceramic insulators is one kind of complete insulator product made by inorganic non-metallic materials and it has the characteristics of ceramic and plastic materials.
The advantages of mica-ceramic insulators as follows:
1. Working stably in the various climatic environment with high reliability, ageing resistance and long service life.
2. Completely non-flammable, high fireproof grade, high service temperature and the highest service temperature can reach more than 300℃.
3. Excellent chemical stability with good acid and alkali corrosion resistance.
4. High mechanical strength, such as tension, bending, compression, torque, etc.
5. High voltage strength, good electrical insulation performance, high insulation resistance and low dielectric loss.
Mica Ceramic Insulators
Application Position of Mica Ceramic Insulator in Train
High-Speed Railway
Subway
Main characteristics of typical products:
Project |
Unit |
Typical Product Model |
||
MC3535 |
MC5050 |
MCA0A0 |
||
Tensible Strength |
kN |
≥9 |
≥19 |
≥70 |
Bending Strength |
kN |
≥1.6 |
≥4 |
≥20 |
Compressive Strength |
kN |
≥35 |
≥40 |
≥100 |
Torque |
N·m |
≥25 |
≥70 |
≥200 |
Arc Discharge Voltage |
kV |
≥18 |
≥26 |
≥38 |
Puncture Voltage |
kV |
≥20 |
≥30 |
≥50 |
Insulation Resistance |
MΩ |
≥ |
≥ |
≥ |
Capacitance |
pF |
≈10(1kHz) |
≈15(1kHz) |
≈30(1kHz) |
Maximum Operating Temperature |
℃ |
≥400 |
≥400 |
≥400 |
Softening Temperature |
℃ |
≥550 |
≥550 |
≥550 |
Application: Mica ceramic insulators are mainly used in high-power AC or DC motors and other electrical components of electric locomotives.
Main specifications: Products of various specifications and models can be prepared to customers’ requirements.
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