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What is polyimide film
2025-01-02Polyimide film (PI film) is a high-performance organic polymer material that plays a key role in many high-tech fields 1. Composition and preparation process Composition: Polyamic acid is usually obtained by condensation reaction of aromatic dianhydride and aromatic diamine, and then intramolecular cyclization is carried out through thermal imidization or chemical imidization to form a poly
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What are the main features of the needle flame tester
2024-12-25The needle flame tester mainly has the following characteristics: 1. In terms of structural design Excellent material manufacturing: The outer shell and important components of the test chamber are usually made of stainless steel, which has good smoke and gas corrosion resistance. It is not only sturdy and durable, but also easy to clean and maintain, and can adapt to long-term and freque
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What are the characteristics of unidirectional polyimide film
2024-12-19Unidirectional polyimide film is a high-performance polymer film material with the following characteristics: 1、 In terms of mechanical performance 1. High intensity Unidirectional polyimide film has relatively high strength in the stretching direction. This is because its molecular chains are highly oriented in a unidirectional direction, which can effectively resist external stretching
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Where is the colorimeter mainly used
2024-12-12A colorimeter is an instrument used to measure color differences, mainly applied in the following fields: 1. Printing industry Quality control: It is crucial to ensure the correctness of the color of the printed material during the printing process. The colorimeter can accurately measure the color difference between printed materials and standard color samples. For example, in the printing
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What industry is the voltage tester mainly used for
2024-12-05The voltage tester is mainly used in the following industries: 1. Power industry Power equipment testing: used to test the insulation performance of power equipment such as transformers, generators, transmission lines, switchgear, lightning arresters, etc., to ensure that the equipment can operate safely and stably under rated voltage and overvoltage conditions, and to prevent power outages
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Where is the anime tester mainly used
2024-11-28Anime tester, usually referred to as anime image measuring instrument, is mainly used in the following aspects: 1. Mechanical manufacturing industry Precision parts inspection: used to measure the dimensions of various precision mechanical parts, such as automotive engine components, small metal parts of aerospace equipment, etc. It can accurately measure the length, width, height, apertu
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What is the main function of a voltage tester
2024-11-21The voltage tester mainly has the following functions: 1. Test insulation performance Being able to determine whether the insulation materials of electrical equipment have aging, damage, and other issues, determine whether their insulation performance meets safety standards, promptly identify potential insulation hazards, and ensure the normal operation of equipment
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What is the function of a needle flame tester
2024-11-14The needle flame tester mainly has the following functions: 1. Evaluate the flame retardant performance of the material: By simulating the small flames generated under internal fault conditions of electrical and electronic equipment, conducting combustion tests on materials, observing the combustion situation of materials under the action of needle flames, such as flame extinguishing time,
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What are the characteristics of a colorimeter
2024-11-07The colorimeter has the following characteristics: 1. High measurement accuracy: By using excellent optical systems and sensors, it is possible to accurately measure color parameters of objects, such as L (brightness), a (red green color difference), b (yellow blue color difference), etc., and can be reduced to a smaller numerical range, providing reliable data support for color analysis a
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What is the function of an online thickness gauge
2024-10-31The online thickness gauge mainly has the following functions: 1. Real time thickness monitoring: In the industrial production process, continuous and real-time measurement of the thickness of various materials (such as steel plates, steel strips, films, paper, metal foils, coatings, etc.) can be carried out, allowing operators to understand the thickness
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