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Mica Ceramic Insulators

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

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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