Mica Tube Used in Electric Home Appliances

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Product Description:

1. Introductions:

Mica tube is made of mica paper with highperformance organic silicon resin. After heating and pressing, the mica plate can be made into rigid or flexible insulating plates. The mica content is about 90% and the organic silicon resin content is 10%. 

 Mica is a rigid substrate able to withstand very high temperatures and are suited for applications up to 500°F (260°C). Mica heating elements offer several distinct advantages over other flexible heater technologies, including extremely low leakage, lower material costs, and higher operating temperatures. Our mica heating element is made by detail order requirments.

 2. Applications:

Typical applications of mica heating elements are air heaters, enclosure systems, food service equipment, process and packaging equipment.


3. Main features of Mica Parts:

mica tubes are featured with high strength, good performance, less smoke, less odor etc. This series mica plates are used mainly in household appliances (toaster ovens, microwave ovens, warm air blowers, hair dryers, electric iron etc.), metallurgy (such as linefrequency furnaces, medium frequency furnaces, electric arc furnace, etc.), medical equipment and other industries, used as the heating support, lining plate and partition plate of the electric appliances described above.

4. Technical Parameters:


Tolerance for mica tube

Internal diameter(mm)

Tolerance of ID(mm)

Tolerance of ID(mm)

<10< span="">



10 ~ 20



21 ~ 50



51 ~ 100



101 ~ 200



201 ~ 300



       Length: 10mm to 1000mm
       Internal diameter:8-300mm
       Density:1.6g/cm3 to 1.7g/cm3




We have organized several common questions for our clients,may help you sincerely

--------What is the use of mica parts?

Mica laminate and washers made of our own high quality mica plates are used for home appliances, electro-magnets, micro-sensitive control gear etc


---------Which type of mica parts we can produce?

1. Rigid mica parts or Flexible mica parts

2. Muscovite mica parts or phlogopite mica parts

3. Thin mica parts or thick mica parts

4. All the special sized mica parts need drawing.


----------what advantages of mica parts?

1. Good high voltage insulation materials

2. Do not easily break up

3. Easily produce special size

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Q:The electrical equipment in the classroom which uses insulating material
Classrooms in the electrical equipment are used insulating material, but with the number and location of different.
Q:What is the thermal aging and electrical aging of insulating materials?
Environmental aging, also known as atmospheric aging, is due to ultraviolet light, ozone, salt spray, acid and other factors caused by pollution of chemical aging, which is the main reason for ultraviolet light. Thermal aging more common in low-voltage electrical appliances, the mechanism is under the action of temperature, the insulating material in some volatile components escape, the internal components of oxidative cracking, thermal cracking, hydrolysis, molecular chain polymerization and other chemical changes, and gradually lose insulation properties.
Q:What is the insulating material in the middle of the connecting wire?
With a transparent tape isolation, with hot melt adhesive fixed thread, with heat shrink tube insulation, a lot of ways ah.
Q:What insulating materials are used for transformers
There are also NOMEX® insulation plates for the mat and the support structure. The insulation between high and low pressure is made of 0.76mm thick NOMEX® cardboard. Its impregnation process uses multiple VPI vacuum, pressure impregnation, high temperature drying (drying temperature of 180-190 ℃). At FPT, the highest voltage of this transformer is made to 34.5kV and the maximum capacity is 10000kVA. This technology is UL certified in the United States. Domestic transformer manufacturers use NOMEX® insulation materials and DuPont's manufacturing specifications (HV-1 or HV-2) and Reliatran Raytheon TM transformer technology standards such as the manufacture of H Type insulated SG-type dry-type transformers and the United States FPT's FB-type transformer has similarities, but the domestic product coil VPI impregnation process is different from the FPT company, it does not impregnate the entire transformer body, and only the coil impregnated. The whole body impregnated package integrity is good, but not only beautiful, but also in the processing must be done before the relevant product testing. Dipping paint is also easy to be filthy, relatively speaking in China the latter is more reasonable.
Q:Brass is not an insulating material?
Brass is not insulating material. On the contrary is the brass is conductive material. Brass texture hard, can not bend. No copper flexibility is good, so brass can only do a fixed copper conductive use.
Q:What is the electrical performance of insulating materials
Insulation material electrical performance mainly refers to: good dielectric properties, high insulation resistance and compressive strength. Do not occur leakage, creeping or breakdown and other accidents. Good heat resistance performance in the long-term heating state no significant change in performance. Good thermal conductivity, moisture resistance and mildew resistance.
Q:What is the difference between insulation and pressure?
Insulation test Because the test voltage is low, it is not easy to damage the equipment under test. The voltage test is easy to damage the equipment under pressure when the test voltage is high. In some cases, although the withstand voltage test is passed, Causing damage, the test staff will have to use low-voltage insulation test, test the pressure test after the test equipment insulation. Under normal circumstances, insulation resistance qualified, withstand voltage test will be adopted.
Q:What insulating materials do you need for power tools?
Insulation system of power tools can be divided into basic insulation, additional insulation, reinforced insulation, double insulation. Basic insulation: enameled wire and iron core between the insulating paper (paper for the green paper or DMD insulation paper) is the basic insulation, Withstand voltage is 1250V;
Q:What kind of insulation is the insulating layer of the aluminum plate?
Insulation is the core technology of aluminum substrate. Currently on the market most of the aluminum substrate insulation layer using epoxy resin, the advantages of this type of insulation is: good adhesion; drawback is: thermal resistance, dielectric strength is limited, it is difficult to meet the safety requirements. Such aluminum substrates are only suitable for low power density applications. High-end aluminum substrate insulation layer is generally composed of high thermal conductivity and high insulation ceramic powder filled with special polymer composition.
Q:What are the electrical insulation materials
Insulation board: plastic plate is made of plastic sheet, plastic for the synthesis of polymer compounds, can be free to change the body style. Plastic is the use of monomer raw materials to synthesis or condensation reaction polymerization of materials, synthetic resin and filler, plasticizers, stabilizers, lubricants, colorants and other additives, and its main component is synthetic resin.

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