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Where is the chemical stability of bidirectional polyimide film reflected
2025-09-17The chemical stability of Bidirectional Polyimide (BPI) films is mainly attributed to the high stability of the aromatic imide ring (- CO-NH-CO -) in their molecular structure and the dense crystal structure formed by the biaxial stretching process. This is reflected in their resistance to various chemical media, degradation resistance, and environmental stability, which can be analyzed in detail
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What are the applications of needle flame testers in the electrical industry
2025-09-09Needle flame tester is a core equipment used in the electrical industry to evaluate the "flame retardant safety" of products. Its core function is to simulate the "small flame" (i.e. "needle flame") generated inside electrical equipment due to faults (such as line short circuit, component overheating, arc discharge, etc.), detect the combustion characteristics, flame propagation risk, and extingui
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Briefly explain the preparation process of F46 polyimide film
2025-09-03The core of preparing F46 polyimide film is to combine F46 (tetrafluoroethylene hexafluoropropylene copolymer) with polyimide (PI) through a composite process, which needs to match the characteristics of the two materials (PI is heat-resistant but difficult to process, F46 is easy to melt but needs to rely on PI reinforcement). The mainstream process can be simplified into four key steps:
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Briefly introduce the electrical insulation properties of polyimide films
2025-08-27Polyimide film (PI film) is currently one of the high-performance polymer materials in the field of electrical insulation. Its core advantages in electrical insulation performance are reflected in the three dimensions of "high voltage resistance, extreme environment resistance, and strong stability", which can be briefly summarized as follows:
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What are the characteristics of online defect detectors
2025-08-20As the core equipment for real-time quality control in industrial production, online defect detectors are characterized by "real-time performance, high precision, and automation", and can be divided into the following categories:
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What are the applications of polyimide film in the field of new energy
2025-08-13Polyimide film has been widely used in the field of new energy due to its excellent high temperature resistance, insulation, chemical corrosion resistance, and good mechanical properties, mainly including the following aspects:
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What are the applications of tensile testing machines in the metal materials industry
2025-08-06Tensile testing machine is one of the core testing equipment in the metal materials industry. It mainly simulates mechanical effects such as tension, compression, bending, and shear to determine the mechanical performance parameters of metal materials, providing key data support for material research and development, production, quality control, and application. Its specific applications are as fo
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What industries are thickness gauges mainly used in
2025-07-29Thickness gauge is a precision instrument used to measure the thickness of objects. With its non-contact or contact measurement method and high-precision detection capability, it is widely used in quality control, production monitoring, and safety inspection in multiple industries. The following are its main application industries and specific scenarios:
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What are the applications of online defect detectors in the electronic manufacturing industry
2025-07-22Online defect detectors have become a key equipment for ensuring product quality in the electronic manufacturing industry due to their high-precision detection capabilities. They are widely used in the production process of various electronic components, assemblies, and finished products. The following are its main application scenarios and functions:
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What are the applications of bidirectional polyimide films in the electronics industry
2025-07-15Biaxially oriented polyimide film is a high-performance special polymer material that combines excellent high temperature resistance, insulation, mechanical strength, chemical corrosion resistance, and dimensional stability. It is widely used in various electronic devices and precision components in the electronics industry. The following are its main application scenarios:
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