Hard foam absorbing materialIt is a new type of electromagnetic wave isolation and elimination material, widely used in communication, aerospace, military and other fields due to its excellent absorption performance, mechanical properties and chemical stability.
1、 Definition of rigid foam absorbing materials
Hard foam absorbing material is composed of multiple organic or inorganic polymers
Closed cell foam materialThere are a large number of pores and air inside, forming a low dielectric constant medium, combined with the absorbing properties of polymer materials, to achieve absorption and isolation of electromagnetic waves.
2、 Basic characteristics of hard foam absorbing materials
1. Excellent wave absorption performance: hard foam wave absorption materials have excellent wave absorption performance, can effectively absorb the energy of electromagnetic waves, and achieve a high wave absorption rate in a specific frequency band.
2. Good mechanical properties: hard foam absorbing material has high strength and stiffness, which can meet the requirements of use under complex working conditions.
3. Good chemical stability: hard foam absorbing materials have good corrosion resistance and aging resistance, and can work stably in harsh environments.
4. Good processability: hard foam absorbing materials are easy to process and manufacture into various shapes, which can meet the requirements of different applications.
3、 Application fields of hard foam absorbing materials
1. Communication field: Hard foam wave absorbing materials are widely used in mobile phones, wireless local area networks, cellular base stations and other communication equipment, which can effectively isolate and eliminate electromagnetic interference.
2. Aerospace field: hard foam absorbing materials are used for isolation and protection of spacecraft, satellites and other equipment in the aerospace field, which can effectively resist the electromagnetic interference of the atmosphere and space environment on equipment.
3. Military field: hard foam absorbing materials are widely used in the military field to isolate and protect radar, missiles, aircraft, tanks and other weapons and equipment, which can effectively ensure the normal operation of weapons and equipment.
4、 Summary
Hard foam absorbing materialIt is an excellent electromagnetic wave isolation and elimination material, widely used in communication, aerospace, military and other fields due to its good absorption performance, excellent mechanical properties, high chemical stability, and good processability.
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