Absorbing sealant | A multifunctional sealant product that meets electromagnetic compatibility requirements

Introduction

In modern electronic devices and communication systems, electromagnetic interference (EMI) has become a key factor affecting performance and reliability. To address this challenge, Advanced Institute (Shenzhen) Technology Co., Ltd. has developed an innovative model based on its advantages in materials science and electromagnetic compatibility technology“Absorbing sealant”A multi material product that combines electromagnetic wave absorption and physical sealing functions, providing an integrated solution for highly integrated electronic devices.

1、 Product Features and Core Values

Absorbing sealant breaks through the limitations of traditional sealant materials that only focus on sealing or insulation, combining efficient electromagnetic wave absorption capability with physical gap filling function. Its core value lies in: on the one hand, adapting different shapes of gaps through flexible polymer matrices to achieve physical sealing and environmental protection; On the other hand, through the built-in magnetic or dielectric loss materials, it effectively absorbs electromagnetic waves in specific frequency bands, suppresses electromagnetic leakage and interference, and significantly improves the electromagnetic compatibility (EMC) index of the equipment.

2、 Technical Principles and Material Innovation

This product is designed based on broadband absorbing materials and multiphase composite technology. By regulating the morphology, particle size, and distribution of fillers (such as magnetic metal powder, carbon based materials, etc.), a customizable impedance gradient structure is constructed. Advanced Institute (Shenzhen) Technology Co., Ltd. has optimized the material formula and preparation process to make the sealant achieve efficient absorption of electromagnetic waves in the GHz band (absorption efficiency can reach more than -10dB) while maintaining flexibility and adhesion, and have high and low temperature resistance, moisture resistance, aging resistance and other stability.

3、 Application scenarios and industry requirements

Electromagnetic sealing sealantWidely used in fields such as 5G communication base stations, new energy vehicle electronic systems, aerospace equipment, high-density servers, etc. For example, filling the gaps in the base station antenna cover can suppress sidelobe radiation; Filling in the onboard radar module can reduce signal crosstalk; Filling the onboard electronic compartment can block the electromagnetic leakage path. Its flexible and compressible characteristics are particularly suitable for long-term stable packaging of irregular or dynamic gaps.

4、 Summary and Prospect

High frequency absorbing sealant materialAs an innovative product in the field of electromagnetic compatibility materials, it reflects the future trend of functional integration and scene adaptation.Advanced Institute (Shenzhen) Technology Co., LtdThrough the deep cultivation of technology and the combination of production and research, not only has the collaborative problem of physical sealing and electromagnetic protection in electronic devices been solved, but high reliability solutions have also been provided for high-end manufacturing, communication, and transportation industries. In the future, with the development of intelligent devices towards high frequency and miniaturization, this type of material is expected to become an indispensable basic component of the next generation of electronic systems.