Inorganic solid epoxy glass laminate sheet are mainly powder mica and mica products, glass, glass fiber and its products, as well as porcelain, alumina film. They are resistant to high temperatures, are not aging, have considerable mechanical strength, some of which are materials such as low cost, occupying a certain position in the application. The disadvantage of inorganic solid electrical insulating board is poor processing performance, difficult to adapt to the electrical equipment on the molding requirements of insulating materials.
Mica and powder mica products with long-term anti-corona characteristics, high-voltage equipment is an important part of the insulation structure can also be used for high temperature occasions.
The glass process is simpler than the ceramic and can be used to make it. Glass fiber can be made of silk, cloth, belt, with much higher than the organic fiber heat resistance, in the insulation structure to the development of high temperature plays an important role.
2017年6月29日星期四
2017年6月25日星期日
The role of garolite g7 is in the electrical equipment to the potential of different charged part of the isolated. Therefore, the insulation material should first have a high insulation resistance and compressive strength, and to avoid leakage, breakdown and other accidents. Second, the heat resistance is better, to avoid long-term overheating and aging deterioration; In addition, there should be good thermal conductivity, resistance to lightning and high mechanical strength and process processing and other characteristics. According to the above requirements, commonly used g10 fiberglass tube performance indicators are dielectric strength, tensile strength, specific gravity, expansion coefficient.
2017年6月21日星期三
Main Factors Affecting the Performance of Insulating Materials
1, insulation resistance and resistivity
The resistance is the reciprocal of the conductance, and the resistivity is the resistance per unit volume. The smaller the conductivity of the material, the greater the resistance, the reciprocal relationship between the two, for the insulation material, always want the resistivity as high as possible.
2, the relative dielectric constant and dielectric loss tangent
polyimide film tape uses two: electrical network components of the mutual insulation and capacitor media (energy storage). The former requires a relatively small relative dielectric constant, which requires a relatively large relative dielectric constant, and both require dielectric loss tangent, especially in high frequency and high voltage applications of insulating materials, in order to make dielectric loss is small, are required to use Dielectric loss tangent small insulation material.
3, breakdown voltage and electrical strength
In a strong electric field under the destruction of insulating materials, loss of insulation into a conductive state, known as the breakdown. The breakdown voltage is called the breakdown voltage (dielectric strength). Electrical strength is the breakdown of the voltage between the voltage and the two electrodes that withstand the external 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
Is the maximum tensile stress that the specimen is subjected to in the tensile test. It is the most widely used and tested test of the mechanical properties of insulating materials.
5, resistance to burning
Refers to the ability of the vulcanized fiber to prevent continued combustion when it is in contact with the flame. With the increasing use of insulating materials, its flammability requirements are more important, people through various means to improve and improve the flame resistance of insulating materials. The higher the flame resistance, the better the safety.
6, resistant to arc
Under the specified test conditions, the insulating material is resistant to the arc acting along its surface. Test the use of high voltage AC current, by high pressure between the two electrodes generated by the arc, so that the surface of the insulating material to form the conductive layer of the time required to determine the arc resistance of insulating materials. The greater the time value, the better the arc resistance.
7, the degree of sealing
On the oil, water quality isolation is better.
The resistance is the reciprocal of the conductance, and the resistivity is the resistance per unit volume. The smaller the conductivity of the material, the greater the resistance, the reciprocal relationship between the two, for the insulation material, always want the resistivity as high as possible.
2, the relative dielectric constant and dielectric loss tangent
polyimide film tape uses two: electrical network components of the mutual insulation and capacitor media (energy storage). The former requires a relatively small relative dielectric constant, which requires a relatively large relative dielectric constant, and both require dielectric loss tangent, especially in high frequency and high voltage applications of insulating materials, in order to make dielectric loss is small, are required to use Dielectric loss tangent small insulation material.
3, breakdown voltage and electrical strength
In a strong electric field under the destruction of insulating materials, loss of insulation into a conductive state, known as the breakdown. The breakdown voltage is called the breakdown voltage (dielectric strength). Electrical strength is the breakdown of the voltage between the voltage and the two electrodes that withstand the external 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
Is the maximum tensile stress that the specimen is subjected to in the tensile test. It is the most widely used and tested test of the mechanical properties of insulating materials.
5, resistance to burning
Refers to the ability of the vulcanized fiber to prevent continued combustion when it is in contact with the flame. With the increasing use of insulating materials, its flammability requirements are more important, people through various means to improve and improve the flame resistance of insulating materials. The higher the flame resistance, the better the safety.
6, resistant to arc
Under the specified test conditions, the insulating material is resistant to the arc acting along its surface. Test the use of high voltage AC current, by high pressure between the two electrodes generated by the arc, so that the surface of the insulating material to form the conductive layer of the time required to determine the arc resistance of insulating materials. The greater the time value, the better the arc resistance.
7, the degree of sealing
On the oil, water quality isolation is better.
2017年6月17日星期六
High temperature mica plate (insulation board) those advantages
The product was silver-white, temperature level: continuous use conditions, temperature 500 ℃, intermittent conditions of use temperature 850 ℃;
• HP-8 hardness high temperature hot metal mother board (fire resistant cables tape). The product was golden, temperature level: continuous use under the conditions of temperature 850 ℃, intermittent use under conditions of temperature 1050 ℃.
Excellent unsaturated polyester glass mat sheet, the highest temperature up to 1000 ℃, high temperature insulation materials, has a good price.
• Excellent electrical insulation performance, withstand voltage breakdown of up to 20KV / mm.
• Excellent bending strength and processing performance, high bending strength, and excellent toughness, with the punching can be processed to a variety of shapes without stratification. Excellent environmental performance, non-asbestos, less heat when heated and small odor, or even smoke-free
• HP-8 hardness high temperature hot metal mother board (fire resistant cables tape). The product was golden, temperature level: continuous use under the conditions of temperature 850 ℃, intermittent use under conditions of temperature 1050 ℃.
Excellent unsaturated polyester glass mat sheet, the highest temperature up to 1000 ℃, high temperature insulation materials, has a good price.
• Excellent electrical insulation performance, withstand voltage breakdown of up to 20KV / mm.
• Excellent bending strength and processing performance, high bending strength, and excellent toughness, with the punching can be processed to a variety of shapes without stratification. Excellent environmental performance, non-asbestos, less heat when heated and small odor, or even smoke-free
2017年6月13日星期二
In the insulating material as the main direction is mainly in three forms exist, one is the gas form, the other is the form of liquid, the last one is the solid form, the three forms of the most common than the solid type Insulation Materials.
Our three categories of insulation cable paper in the end which includes the first product is the most common and most commonly used solid type of insulating material, which mainly includes the product is insulating paper, insulation board, plastic, rubber, ceramics, Glass and so on these products are solid; followed by liquid type, it is mainly a kind of insulating oil is a kind of mineral is synthetic, although only two kinds of production but also in industrial use also plays a small The role of the last to see is the gas type, the most common is that we have been using the air there are nitrogen and so on. Different types of compressed laminated wood play a different role in industrial use, and we can choose the one that is most beneficial to us.
Our three categories of insulation cable paper in the end which includes the first product is the most common and most commonly used solid type of insulating material, which mainly includes the product is insulating paper, insulation board, plastic, rubber, ceramics, Glass and so on these products are solid; followed by liquid type, it is mainly a kind of insulating oil is a kind of mineral is synthetic, although only two kinds of production but also in industrial use also plays a small The role of the last to see is the gas type, the most common is that we have been using the air there are nitrogen and so on. Different types of compressed laminated wood play a different role in industrial use, and we can choose the one that is most beneficial to us.
2017年6月9日星期五
The main role of insulating paper is to prevent the contact between the enameled wire and the stator during the production of the motor, to damage the enameled wire, and of course to include other functions, such as separating the different potentials of the electrical equipment.
Because the equipment and environment that are usually used in insulating paper are special, the materials that make these insulating papers are also very demanding. The first and more important thing is that the heat resistance is better because the heat generated during the operation of the electrical equipment is Very large, if the heat resistance is poor, then the device will be in the case of long-term overheating equipment aging; the second is the need for insulation resistance and high compressive strength, so the use of electrical equipment in the process will not The emergence of leakage, etc .; the last is our production of insulating paper materials must also have thermal conductivity, moisture, heat and high mechanical strength and other important features
Because the equipment and environment that are usually used in insulating paper are special, the materials that make these insulating papers are also very demanding. The first and more important thing is that the heat resistance is better because the heat generated during the operation of the electrical equipment is Very large, if the heat resistance is poor, then the device will be in the case of long-term overheating equipment aging; the second is the need for insulation resistance and high compressive strength, so the use of electrical equipment in the process will not The emergence of leakage, etc .; the last is our production of insulating paper materials must also have thermal conductivity, moisture, heat and high mechanical strength and other important features
2017年6月5日星期一
flexible composite materials production process, the impact of these materials there are many aspects, generally there will always be several major aspects, then what is the impact of insulating material?
First, the first aspect is the resistance factor, in accordance with the normal principle is the resistivity, the general material conduction smaller, the higher the resistance, for the insulation material, the resistance must be higher and better; the second is the seal Nature, the material must be on the oil, water quality sealing isolation is better; the third aspect to have high resistance to burning, resistance to the higher the performance of the insulation material for the better; the fourth aspect is the tensile strength, The tensile strength must reach the maximum tensile stress; the fifth aspect of the time value is greater, the better the arc resistance; of course there are other factors that affect the insulation material.
NMN Insulating material is generally used in the motor products more widely some products, with the incoming mechanical and electrical products become increasingly prosperous, insulating paper, insulation board is increasingly important, a variety of insulating materials plant began to run. From the current development of this situation, the prospects of these insulating materials should be quite good, why say so? With the upgrading of the technical level, customers need to update the insulation material to support the platform he needs, manufacturers are trying to support the customer needs the platform, then this way, the insulation material market is constantly expanding, the technical level Getting higher and higher, then the future market will be more and more clear!
First, the first aspect is the resistance factor, in accordance with the normal principle is the resistivity, the general material conduction smaller, the higher the resistance, for the insulation material, the resistance must be higher and better; the second is the seal Nature, the material must be on the oil, water quality sealing isolation is better; the third aspect to have high resistance to burning, resistance to the higher the performance of the insulation material for the better; the fourth aspect is the tensile strength, The tensile strength must reach the maximum tensile stress; the fifth aspect of the time value is greater, the better the arc resistance; of course there are other factors that affect the insulation material.
NMN Insulating material is generally used in the motor products more widely some products, with the incoming mechanical and electrical products become increasingly prosperous, insulating paper, insulation board is increasingly important, a variety of insulating materials plant began to run. From the current development of this situation, the prospects of these insulating materials should be quite good, why say so? With the upgrading of the technical level, customers need to update the insulation material to support the platform he needs, manufacturers are trying to support the customer needs the platform, then this way, the insulation material market is constantly expanding, the technical level Getting higher and higher, then the future market will be more and more clear!
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