Mica Parts Used as the Heating Support

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 100 pc

Supply Capability:: 10000 pc/month

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1. Introductions:

Mica is a rigid substrate able to withstand very high temperatures and are suited for applications up to 500°F (260°C). Mica heating elementsoffer 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 high performance 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. Main features of Mica Parts:

Rigid mica plates 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 line frequency 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.

3. Applications:

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

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:What insulating material is best `?: According to their polarity is divided into weak polarity, non-polarity, polarity and strong polarity 4. According to the material source is divided into mineral insulating oil, synthetic insulating oil and vegetable oil 3. Mineral insulating oil referred to as mineral oil, The relative dielectric constant is about 2.2, and the breakdown voltage in the standard electrode is 35 to 50 kV (kV). The flash point is 125 to 135 ° C for the manufacture of transformers and cables , Capacitors, etc. Synthetic insulating oil is a synthetic liquid insulating material.As the mineral oil is a mixture of various hydrocarbons, it is difficult to remove the components of the insulation performance, and the preparation process is complex, easy to burn, low heat resistance , The dielectric constant is not high, so the research and development of the excellent performance of the synthetic insulating oil. Now have used aromatic synthetic oil, silicone oil, ester oil, ether and sulfone synthetic oil, polybutylene, etc. Vegetable oil use Castor oil, soybean oil, rapeseed oil, etc. Castor oil is an excellent dip capacitor for pulse capacitors

Q:What insulating materials are used for high frequency transformers?: Where the water is mainly a resin and solvent or resin, oil and solvent composition, is based on polymer polymer, under certain conditions can be cured into an insulating film or insulation of the important insulation material, applied to high-frequency transformers After the surface, the solvent evaporates, the resin or the resin and the oil form a smooth film, showing the original pattern of the object. Easy to dry and durable, and can acid and oil.

Q:There are a lot of online about this, but still do not understand. If the insulation resistance is high enough, hit the pressure should also be qualified ah. There is insulation test itself when the current flow is not large, because the rock table resistance is great. But hit the pressure, I do not know is not a direct high pressure drop in the test product above, there is no great resistance to interference?: People also know that the insulation Megohmmeter is issued by the DC, and because of the relationship between the instrument resistance, the actual output current is very small, but for the withstand voltage test equipment, the internal AC transformer, the output voltage and current Of the capacity, if the equipment capacity is insufficient, the test object when the required voltage is not necessarily able to achieve, so the output current is still relatively large, which is resistant to voltage test is easy to breakdown the test object, and insulation Resistance value is very low case will not breakdown the reasons for the test object.

Q:What are the electrical insulation materials: Electrical insulation materials are wood, cotton, paper, oily paint, asphalt paint, polyester film, glass cloth, mica, glass fiber, asbestos, composite silicon organic polyester paint, quartz, glass, porcelain material.

Q:What is the 8 ° C rule for insulating materials?: Such as A-class insulation material limit working temperature of 105 ℃, when the ultimate operating temperature of 8 ℃, its life will be reduced by about half, which is 8 ℃ thermal deterioration rules.

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: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 main purpose of insulating materials?: As the insulating material has a certain degree of insulation strength, a variety of electrical equipment, all kinds of safety equipment (electrical pliers, test pen, insulated gloves, insulation rods, etc.), a variety of electrical materials, factories are required to allow a certain voltage, For the rated voltage. The voltage to be used shall not exceed its rated voltage value in order to avoid accidents.

Q:Insulation material and the definition of the role of the best professional insulation materials website for my reference: Electrical strength is the breakdown of the voltage between the voltage and the two electrodes subjected to the applied voltage under the specified conditions, that is, the breakdown voltage per unit thickness. For insulating materials, the general breakdown voltage, electrical strength of the value of the higher the better. 4, tensile strength: in the tensile test, the sample to withstand the maximum tensile stress. It is the most widely used and tested test of the mechanical properties of insulating materials. 5, Flammability: refers to the insulation material in contact with the flame to resist combustion or leave the flame to prevent the ability to continue to burn. With the increasing use of insulating materials, its flammability requirements are more important, people through various means to improve and improve the insulation

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