High Temperature Resistance PI Polyimide washer
2 month ago
Product details
What Is Polyimide Gasket ?
As a member of high-performance engineering plastics, polyimide PI is not only known for its excellent heat resistance, chemical resistance, excellent mechanical strength and good electrical insulation properties, but also shows its irreplaceable value in the tiny but critical part of gaskets.
Polyimide gasket is a high-performance polymer material with excellent heat resistance, corrosion resistance, chemical resistance, high compression strength and low coefficient of expansion. Polyimide gaskets can be made into various shapes and sizes through high temperature hot press molding, and are widely used in a variety of demanding sealing occasions.
Characteristics of polyimide gaskets
Excellent heat resistance: polyimide can maintain stable physical and chemical properties in extreme high temperature environments, long-term use of temperature up to 300 ℃ or more, and even some of the special varieties can work at higher temperatures, which makes it in the high temperature conditions of the sealing application of outstanding performance.
Excellent chemical resistance: almost resistant to all known organic solvents and strong acid and alkali erosion, this feature makes the polyimide gasket in the chemical, petroleum, pharmaceutical and other industries, in the face of complex and variable media environment, still be able to maintain a reliable sealing effect.
Excellent mechanical strength: polyimide gasket has high tensile strength, compression strength and fatigue resistance, can withstand greater pressure and mechanical stress, to ensure long-term stable operation in harsh working conditions.
Good electrical insulation: polyimide gaskets also have excellent electrical insulation properties, suitable for the strict requirements of the electrical performance of the occasion.
The Role of Polyimide Gaskets Explained
Polyimide gasket is a high-performance plastic gasket made of polyimide material. This gasket plays an important role in industrial production, mainly reflected in the following aspects:
First, the role of sealing
Polyimide gaskets are often used as sealing materials because of their good elasticity and corrosion resistance. In the pipeline, valves, pumps and other equipment connections, the use of polyimide gaskets can effectively prevent gas or liquid leakage, to ensure the normal operation of the system.
Second, the role of insulation
Due to the excellent electrical insulation properties of polyimide materials, so polyimide gaskets are often used as insulating gaskets for electrical equipment. It can effectively isolate the circuit, prevent current leakage or short circuit, thus improving the safety and stability of electrical equipment.
Third, buffer effect
In mechanical equipment, many parts in operation will produce vibration and impact. Polyimide gasket because of its good elasticity and wear resistance, can play a buffer between these parts, reduce wear and noise, extend the service life of the equipment.
Fourth, chemical corrosion resistance
Polyimide materials have excellent chemical resistance, can resist a variety of acids, alkalis, organic solvents and other chemical substances. Therefore, in the chemical and pharmaceutical industries, polyimide gaskets are widely used in various pipelines, reactors and other equipment sealing and insulation.
Polyimide gaskets can be used in high temperature, high pressure, acid and alkali and other harsh environments, and are widely used in aerospace, automotive, machinery, optics, electronics and other fields. Specific uses are as follows:
1. Polyimide gaskets in the aerospace field, commonly used in the manufacture of engine rocket combustion chamber seals, jet engine turbine blade seals and so on.
2. In the automotive field, polyimide gaskets are generally used in automotive engines, gearboxes and other various sealing and vibration isolation components.
3. In the mechanical field, polyimide gaskets are commonly used in a variety of connection seals and friction materials.
4. In the optical field, polyimide gaskets can be used for optical devices, cameras and other various seals and structural components.
5. In the electronic field, polyimide gaskets are generally used in the manufacture of high-voltage sealing components, high-speed circuit boards, etc.
In summary, polyimide gaskets play multiple key roles in industrial production. Its excellent high temperature resistance, corrosion resistance, wear resistance and good elasticity and electrical insulation properties, making it an indispensable part in a variety of machinery and equipment. Whether in the sealing, insulation, cushioning or chemical resistance, polyimide gaskets have shown excellent performance.
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Hony Engineering Plastics Limited
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5 year
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Plastics Sheet ,
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