Soft Composite Insulation Material

Soft composite DMD insulation paper, full name polyester film polyester fiber non-woven soft composite foil, is a two-layer polyester non-woven fabric in the middle of a layer of insulated polyester film composite made of three insulation materials. DMD is divided into B-class and F-two, B-class temperature of 130 degrees, F-class temperature of 155 degrees. B-level in the Chinese market is white, F-class products are usually blue or pink, to distinguish between. DMD products in the appearance of the appearance of a smooth, no bubbles, creases are better for the motor slot insulation and liner insulation.
The soft composite insulating material is made of one or both sides of the film. The structure of the insulating paperboard, glass cloth, synthetic fiber paper, etc., or both sides is the film, the middle is the structure of the asbestos paper and the glass cloth. The role of the electrical insulating board and other fibrous materials Is to increase the mechanical strength and stiffness of the film, to maintain good flexibility and improve heat resistance. Fiber paper has excellent adsorption, and the groove wall and the coil has a good adhesion between, to avoid displacement when running. Excellent dielectric properties, can compensate for the lack of dielectric strength of fiber paper, the composite soft material, to meet the dielectric properties, mechanical properties and application process performance requirements for motor, electrical appliances, transformers and household appliances, electronic equipment The insulation of the slot insulation, wire insulation and liner insulation. The use of soft composite insulation material, can reduce the thickness of insulation, reduce the size of the motor, increasing the insulation reliability.

The basic concept of insulating paper:

polyimide glass fiber is a general term for electrically insulating paper. Used as cable, coil and other electrical equipment, insulation materials. Usually include a variety of capacitor paper, cable paper, telephone paper, impregnated insulating paper, roll insulation paper, powder mica paper and so on. In addition to have good insulation properties and mechanical strength, but also have their own characteristics. For example, the capacitor paper and bamboo film is made of refined sulphate slurry; the surface of the powder mica paper is made of metal flash, which is made by calcining the mica sheet.
Insulation paper classification:
1, insulating materials are mostly used because of the physical properties, temperature, humidity, chemical environment and other different uses of different types, insulating paper is one of the; from a chemical point of view, NOMEX insulating paper is an aromatic polyamide , Collectively referred to as aromatic polyamide.
2, insulation paper can be based on the thickness of the insulation using different models, the staff can be adjusted according to the actual needs of the length.
3, insulated paper tape in the original insulation paper under the premise of its cutting into a variety of width, can effectively control costs, save time to improve efficiency and reduce a lot of trouble;
4, insulation paper also because of our company processing, workshop environment clean and tidy, can effectively guarantee his insulation media, ash loss and other aspects of performance

Future Trends in Insulation Materials

The development and development of electrical insulating board is one of the key factors affecting the development of electrical technology. From the future trend, the requirements of the development of high pressure, heat insulation, impact resistance, environmental insulation, composite insulation, corrosion resistance, water resistance, oil resistance, resistance to cryogenic, radiation and flame retardant materials, research and development of environmentally friendly energy- Motor F, H-class insulation series, such as unsaturated polyester resin glass felt board; high-voltage power transmission equipment with sulfur hexafluoride gaseous medium; instead of chlorinated biphenyl new non-toxic synthetic media; high-performance insulation Oil; synthetic paper composite insulation; flame retardant rubber and plastic materials and surface protection materials, while actively promoting the traditional electrical equipment laminated compressed wood replacement.

What is insulating material? What are the main ones?

A epoxy glass laminate sheet that isolates the charged body from other parts of the electrical equipment. Commonly used solid materials are insulating sleeves. Insulating paper, laminates, rubber, plastic, paint, glass, ceramics, mica and so on. Commonly used liquid materials are transformer oil. Gaseous materials in the air, nitrogen, sulfur hexafluoride and other use more. The following are the same as the "
Insulation material: Resistivity of 109 ~ 1022 Ω • Cm material composition of the mica insulation sheets in the electrical technology known as insulating materials, also known as dielectric. Simply means that the charged body and other parts of the material isolation. Insulation material on the DC current has a very large resistance, under the action of DC voltage, in addition to a very small surface leakage current, in fact, almost non-conductive, and for the AC current capacitor current through, but also that is not Conductive. The greater the resistivity of the insulating material, the better the insulation performance

Insulation resistance of insulating materials

anti static plastic sheet can prevent current from passing through the material. Its resistivity is very high, usually in the range of 10 ~ 10Ω · m. What is the flame resistance of insulating materials? Here we come together to understand the next:
The flame resistance of phenolic paper sheet refers to the ability of the insulating material to resist the continued combustion when it is combusted or burned away from 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

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