Epoxy prepreg DMD is a material made of polyester film and polyester nonwoven soft composite impregnated with heat-resistant modified epoxy resin and baked. This material has excellent electrical properties, heat resistance, flame retardant and long storage life at room temperature.
Specific information of epoxy prepreg DMD
—Insulation class: F class (155 °C)
—Color: red
—Width: 980mm(Customized size)
—Thickness: 0.15mm,0.18mm,0.20mm,0.25mm,0.30mm
—Can be customized
—Epoxy prepreg DMD has been approved by UL (NO.: E310670) ,ROHS and REACH test.
Excellent electrical performance: Epoxy prepreg DMD has good compatibility with other resins and insulating paints and strong permeability. So it has excellent electrical performance.
Heat resistance and flame retardant: Due to the use of heat-resistant epoxy resin, the Epoxy prepreg DMD can still maintain stable performance at high temperatures, and has good flame retardant effect. Usually, its heat resistance grade can reach F grade, which can replace many imported heat resistant materials.
High strength and toughness: Epoxy prepreg DMD has high strength and toughness. It can withstand greater mechanical stress and impact, improve the reliability and durability of electrical equipment.
Easy processing and manufacturing: The material has good plasticity and processability. It can be easily cut, bent and formed to meet the needs of various complex structures.
Epoxy prepreg DMD is widely used in the insulation structure of electrical equipment.
Dry type transformers: In the manufacture of dry type transformers, epoxy prepreg DMD is often used as the insulation layer of low-voltage foil coils, which can improve the insulation performance and mechanical strength of the coils.
Motors and appliances: In the manufacture of motors and appliances, epoxy prepreg DMD are often used in slot insulation, turn insulation and phase to phase insulation, etc., to ensure the normal operation and safety of equipment.
Power capacitors: In the manufacture of power capacitors, epoxy prepreg DMD is often used in the dielectric layer and insulation layer of capacitors to improve the capacitive performance and stability of capacitors.
Other electrical equipment: Epoxy prepreg DMD is also widely used in other electrical equipment that requires insulation protection, such as transformers, reactors, arresters, etc.
When using epoxy prepreg DMD, the following aspects need to be noted:
Storage conditions: Epoxy prepreg DMD should be stored in a clean, dry, and away from direct sunlight to prevent moisture, deterioration or aging.
Use temperature: The appropriate epoxy prepreg DMD should be selected according to the operating temperature of the equipment and the heat resistance grade of the material to ensure that it can maintain stable performance under high temperature environment.
Processing and manufacturing: In the process of processing and manufacturing, it should be strictly operated in accordance with the predetermined process requirements and operating procedures to avoid damaging the surface and internal structure of the material.
Quality inspection: Quality inspection should be carried out before the epoxy prepreg DMD to ensure that it meets the predetermined performance indicators and requirements. At the same time, the equipment should be regularly maintained and overhauled during use to discover and deal with potential safety hazards in a timely manner.
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