Mica Parts Used for Microwave Ovens Industry

Mica Parts Used for Microwave Ovens Industry

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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 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%.

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:

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.

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 type of enameled wire and insulation material is used for the compressor: Enclosed wire and insulation materials for fully enclosed compressors: 1) Refrigerant R12, enameled wire with high strength polyester QZ, insulated with 6400 epoxy resin Insulation H34-4, Polyurethane film for insulating material Green paper (DMD ) Insulation paper; 2) refrigerant R22 and R502, with QF, QXY polyamide imide enameled wire, insulation treatment with EIU epoxy modified impregnated varnish, insulating material with polyimide film and poly Fiber composite foil, F-class insulation DMD insulation paper.

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: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?: Insulation resistance is measured with an insulation resistance tester (10000V or less) or an insulation shaking table (2500V or less). Since the test voltage is low, many insulation defects are not easily found; the withstand voltage test test voltage is high and the high pressure equipment is easily found Insulation defects;

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:Brass is not an insulating material?: Brass is a particularly good conductive material and is a good material for wearing heat

Q:Wear-resistant, high temperature, insulation materials which: Alumina - high temperature, corrosion resistance, wear resistance. Good electrical insulation 1600 ℃. For crucible, high temperature thermocouple casing, knives, mold and so on. Silicon nitride - has good high temperature strength, thermal expansion coefficient is small, high thermal conductivity, thermal shock resistance, the use of temperature as alumina, good electrical insulation. 1200 ℃ still have a high hardness. For mechanical seal ring, thermocouple casing, steam turbine blades and so on. Silicon carbide - high temperature strength, 1400 ℃ when the bending strength of (500 ~ 600) MPa. For the nozzle, furnace tubes, high temperature bearings, high temperature heat exchangers and so on.

Q:What is the insulating material in the middle of the connecting wire?: Looked for a long time to understand your problem, I can see with a relatively thin tube into the insulation, the insulation tube into a plug in the insulation of the skin. Or for the wire, without the foreskin of the wire is not safe

Q:What insulating materials are used for transformers: With the largest number of cardboard, as well as laminated wood, insulating paper, transformer oil, large oil-immersed transformers are mostly oil - paper insulation.

Q:What is the main purpose of insulating materials?: The role of insulating material is in the electrical equipment to separate the potential of the live part of the insulation, so the insulation material should first have a high insulation resistance and pressure strength, and to avoid leakage, breakdown and other accidents.

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.

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