In the electrical industry, insulation materials play a vital role. They can prevent current leakage and ensure the normal operation of electrical equipment. With its excellent performance, DMD insulation materials stand out among many insulation materials and become an indispensable component of motors, electrical appliances and other equipment.
DMD is mainly composed of polyester film, adhesive and non-woven fabric. Specifically, DMD insulation material is a three-layer composite material, which is made of a layer of polyester film and two layers of non-woven fabric. This structure makes DMD insulation material have good mechanical strength, excellent heat resistance and dielectric properties.
Specific specifications of DMD:
Regular thickness: 0.18mm, 0.2mm, 0.25mm, 0.3mm, 0.35mm, 0.4mm
Regular width: 960mm/1000mm
Insulation grade: Class B/F
Color: Main colors are white (primary color), aqua, black and yellow.
Mechanical strength: DMD insulation material has good mechanical strength and can withstand certain physical pressure and tension.
Dielectric properties: The material has excellent dielectric properties, that is, it can maintain low current leakage and dielectric loss under high electric field strength.
Heat resistance: DMD insulation material has high heat resistance and belongs to Class F insulation material, which can be used at 155°C.
Chemical stability: DMD has a certain tolerance to a variety of chemical substances, such as acid, alkali, oil, etc. In some harsh chemical environments, DMD insulation materials can maintain the stability of their insulation properties and are not easily corroded or damaged.
1. Motor field
DMD insulation paper is widely used in various motors, such as AC motors, DC motors, stepper motors, etc. In the motor windings, it serves as slot insulation, phase insulation and ground insulation, which can effectively ensure the insulation performance of the motor and improve the reliability and service life of the motor.
2. Electrical field
In transformers, DMD insulating paper can be used for interlayer insulation and interturn insulation to ensure the electrical performance and safety of transformers.
Capacitors require good insulation materials to ensure their energy storage and discharge performance. DMD insulating paper is an ideal choice for capacitors due to its excellent insulation performance and flexibility.
In switchgear, DMD insulating paper can be used to isolate contacts and arc extinguishing chambers to improve the insulation performance and arc extinguishing ability of switchgear.
3. Electronics field
DMD insulation materials can be used as insulating pads for printed circuit boards to improve the insulation performance and mechanical strength of circuit boards.
In the manufacturing process of electronic components, DMD insulation materials can be used for encapsulation, fixing and insulation to ensure the electrical performance and stability of components.
DMD insulation paper has been widely used in motors, electrical appliances and other fields due to its excellent electrical properties, mechanical properties, heat resistance and chemical resistance. With the continuous advancement of science and technology, DMD insulation paper will develop in the direction of high performance, environmental protection and multi-function. A deep understanding of the characteristics and application fields of DMD insulation paper is of great significance to promoting the development of the electrical industry.
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