Mica Parts Usded in Electric Arc Furnace Industry

Mica Parts Usded in Electric Arc Furnace Industry

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 100 pc

Supply Capability:: 100000 pc/month

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1. Introduction:

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.

Mica plate 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%.

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 heating elements offer several distinct advantages over other flexible heater technologies, including extremely low leakage, lower material costs, and higher operating temperatures.

4. Technical Parameters:

MICA SHEET -----Technical data
ITEM		UNIT	RM	RP	RM-T	RP-T	FM	FP
Hardness			Rigid	Rigid	Rigid	Rigid	Flexible	Flexible
Mica paper			Muscovite	Phlogopite	Muscovite	Phlogopite	Muscovite	Phlogopite
Thickness		mm	0.1-2.0	0.1-2.0	3.0-50	3.0-50	0.1-2.0	0.1-2.0
Mica content		%	≥90	≥90	>88	>88	≥90	≥90
Bond Content		%	<10< span="">	<10< span="">	<12< span="">	<12< span="">	<10< span="">	<10< span="">
Density		g/m 3	1.6~2.45	1.6~2.45	2.1~2.4	2.1~2.4	1.6~2.45	1.6~2.45
Heat Resistant	Continuous	℃	500	700	500	700	500	700
Heat Resistant	Peak	℃	700	900	700	900	700	900
Heat loss at 500℃		%	<1< span="">	<1< span="">	<1< span="">	<2< span="">	<1< span="">	<1< span="">
Heat loss at 700℃		%	<2< span="">	<2< span="">	<1< span="">	<2< span="">	<2< span="">	<2< span="">
Flexural strength		Mpa	>160	>140	—	—	<1< span="">	<1< span="">
Water absorption 24h/23°C		%	<1< span="">	<1< span="">	<1< span="">	<2< span="">	—	—
Dielectric strength		KV/mm	>20	>20	>15	>15	>15	>15
Volume Resistivity	23℃	ΩNaN	>10¹⁷	>10¹⁷	>10¹⁷	>10¹⁷	—	—
Volume Resistivity	500℃	ΩNaN	>10¹²	>10¹²	>10¹²	>10¹²	—	—
Smoking Test		s	<4< span="">	<4< span="">	—	—	—	—

FAQ

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

Q: The electrical equipment in the classroom which uses insulating material: Insulation material description: Insulation material is electrical insulation material. According to the national standard GB2900.5 provides the definition of insulating material is: "used to make the device in the electrical insulation of the material." That is, to prevent the current through the material. Its resistivity is very high, usually in the range of 10 ^ 9 ~ 10 ^ 22Ω · m. As in the motor, the insulating material around the conductor isolates the turns and isolates it from the grounded stator core to ensure safe operation of the motor.

Q: What is the electrical performance of insulating materials: Such as the rated voltage, current, active power, reactive power, resistance, capacitance, inductance, conductance; semiconductor is famous, DC magnification, AC magnification, rectified current, reverse breakdown voltage, forward voltage , The junction voltage, the noise figure, the characteristic frequency, the cut-off frequency, the dissipation power ... the IC is also very large, the maximum working voltage, the op amp's pendulum speed, the bandwidth, the distortion coefficient, the ADC conversion rate, , The resolution of plastic in the field of electrical applications is extremely extensive, its role is mainly two aspects, one as electrical insulation materials, two for the mechanical structure of materials. These materials are used in the field of electrical engineering, mainly in the electrical, electrical and electrical industries.

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 kind of insulation is the insulating: 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 type of enameled wire and insulation material is used for the compressor: Motor insulation class The insulation class is divided according to the permissible limit temperature of the insulation material used for the motor. There are Y, A, E, B, F, H, C and several other levels, the allowable limit temperature at all levels as shown in the table below. The so-called permissible limit temperature refers to the permissible maximum operating temperature of the motor insulation material, which reflects the heat resistance of the insulating material. Insulation material is divided into Y grade, A grade, grade E, grade B, grade F, grade H, grade C, permissible temperature (℃) 90,105,120,130,155,180, 180 ℃ or higher.

Q: Insulation material and the definition of the role of the best professional insulation materials website for my reference: According to the national standard GB2900.5 provides the definition of insulating material is: "used to make the device in the electrical insulation of the material." That is, to prevent the current through the material.

Q: What insulating materials are used for transformers: Some of the transformer plants in the United States, such as FPT in Virginia, have developed a NOMEX? Aromatic Polyamide using DuPont as a primary insulated dry-type transformer. FPT products are available in two models: FB type 180 ℃ (H level) of the insulation system. FH type 220 ℃ (C level) of the insulation system, the coil temperature rise were 115K (China 125K) and 150K. Its low-voltage coil is foil-type or multi-layer and laminated, and NOMEX? is used for both turn insulation and interlayer insulation. The high-pressure coil is a cake, and the wire is wrapped in NOMEX? paper. The barcakes do not have a conventional stay and a pad, and the comb is used to reduce the maximum voltage of the cake by half. The high-voltage coil of the axial short-circuit resistance, but increased the coil winding system and manufacturing time. High and low voltage coil for nesting, enhanced mechanical strength.

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 are the gas insulation materials?: The relative breakdown strength of air (at air 1) at the standard pressure (101335Pa) is as follows: nitrogen, 1; hydrogen, 0.5; carbon dioxide, 0.9; sulfur hexafluoride, 2.5; freon-12,2.7 The

Q: What insulating material is best `?: Gas insulation material has a high ionization field strength and breakdown field strength, after the breakdown can quickly restore insulation performance, chemical stability, non-combustible, non-explosive, non-aging, non-corrosive, easy to discharge decomposition, and greater heat capacity , The thermal conductivity, and the flowability are all. The air is the most widely used gas insulating material, for example, between the overhead wires of the AC and DC transmission lines, and the overhead wires are insulated by air. The high voltage standard capacitors also use gas insulating media (SF6) .SF6 is also used in the manufacture of high-voltage circuit breakers, metal-enclosed combination of electrical appliances, gas-insulated transmission pipeline cables and gas-insulated transformers, etc., the use of high-pressure nitrogen or carbon dioxide.

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