• DMD Insulation Paper Is Well Used in Many Electrical Appliances

    DMD insulation paper is a composite insulation material product which is made of a polyester film coated with a binder and polyester fiber non-woven fabric and is calendered, referred to as DMD, which is mainly divided into F grade and B grade. So what is the difference between the two? Let's take a look at it. Class F DMD insulation paper has good mechanical strength, dielectric properties and high heat resistance. DMD insulation paper grade B temperature resistance 130 degrees, F grade temperature resistance 155 degrees. Class B is white on the market, and Class F products are usually blue or pink to distinguish. Class F DMD insulation paper has a thickness between 0.10 mm and 0.45 mm, a width between 980 mm and 990 mm, and a larger slice size of 1000 mm * 900 mm. Class F DMD insulation paper is a shaped insulation material for Y series motors. It can be used as slot insulation, inter-turn and interlayer insulation, gasket insulation and transformer insulation for small and medium-sized motors.
     

     
    Insulation withstand voltage: The higher the voltage applied across the insulator, the greater the electric field force received by the charge in the material, and the more likely the ionization collision occurs, causing breakdown of the insulator. The lowest voltage at which an insulator breaks down is called the breakdown voltage of this insulator. When a 1 mm thick insulating material is broken down, the voltage kilovolts to be applied is called the dielectric withstand strength of the insulating material, which is referred to as the dielectric strength. Because the insulating materials have certain insulation strength, various electrical equipment, various safety appliances (electrician pliers, electroscope, insulating gloves, insulating rods, etc.), various electrical materials, manufacturers have specified a certain allowable voltage, called It is rated voltage. The voltage to be used during use shall not exceed its rated voltage to avoid accidents.

    DMD insulation paper is well used in many electrical appliances. Among the motor, it has been recognized by the public for its excellent insulation. It is deeply concerned. The following is a small series for you to explain in the motor use. DMD insulation paper gas strength, and has a very low dielectric constant. It has good mechanical strength, is not brittle and is easy to machine. And there are many varieties of specifications, easy to choose DMD insulation paper not only has very good mechanical and electrical performance indicators, but more prominently these indicators are not sensitive to the surrounding humidity and temperature. In addition, it still has excellent performance at high temperature, low temperature and in the case of large humidity and severe salt mist contamination, which depends on its stable molecular structure and chemical properties.

     

    Select the appropriate insulation paper, and determine the sample required for actual production with the customer to control the color difference of the insulation paper within an acceptable range. If the customer's requirements for the color difference of the insulating paper are very strict, the number and size of the product should be confirmed, and the staff will cut the pattern from the reel conforming to the specification and check with the customer. After the requirements of the insulating paper are confirmed, the machine cuts the paper. Control the width of the reel, the conventional 31-inch, 35-inch, 43-inch, 47-inch roll width, etc., can be selected according to user requirements.
     



     
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