Cavity resonance reduces mutual interference between circuits, high magnetic permeability polymer absorbing and conducting materials

        High permeability absorbing materialIt has performance characteristics such as high absorption frequency band, high absorption rate, and thin matching thickness. Applying this absorbing material to electronic devices can absorb leaked electromagnetic radiation and achieve the goal of electromagnetic interference. According to the law of electromagnetic waves propagating from low magnetism to high permeability in a medium, high permeability absorbing materials are used to guide electromagnetic waves. Through resonance, a large amount of radiation energy of electromagnetic waves is absorbed, and then the energy of electromagnetic waves is converted into thermal energy through coupling.

The high magnetic permeability of absorbing materials means that they have good magnetic conductivity and play an important role in the field of electronic products. Especially applied in RFID anti metal readers and their tags, EMI electronic components, wireless charging products, and electromagnetic screens, providing high magnetic flux for signal transmission and preventing metal absorption.

The application of high permeability absorbing materials in the aviation field, for modern military aircraft, high survivability is the goal. The key to achieving this goal is to use conductive seals to control electromagnetic radiation. High permeability absorbing materials have achieved this goal!AbsorberIt refers to a type of material that can absorb or attenuate incident electromagnetic waves, and convert their electromagnetic energy into thermal energy to dissipate or make electromagnetic waves disappear due to interference. It is usually used for cavity resonance, reducing mutual interference between circuits, improving the stability of the circuit itself, and enhancing the shielding effectiveness of the shielding shell.

Characteristic features

Standard value

Testing standards

Color Color

Gray Gray

/

Thickness (mm)

0.10±0.03

ASTM D3652

Weaving density (T)

230±10

ASTM D3775

Width (mm)

1070/1100

Base weight (g/㎡)

95

ASTM F390

Surface resistance (Ω)

≤ 0.05

ASTM F390

Z - Vertical resistance (Ω)

≤ 0.03

Shielding effectiveness @ 10MHz~3GHz (dB)

≥70

SJ20524-1995

Metal layer adhesion (grade)

Four above

AATCC TM8-2001

Product Application

Professional shielding work clothes that can be used for high radiation work in electronics, electromagnetic fields, etc; Shielding room shielding cloth; IT industry shielding fabric, etc This product can be used as a semi-finished product for coating conductive pressure-sensitive adhesive or bonding hot melt adhesive to cover polyurethane foam, and is used for internal structural components of electronic products such as mobile phones, tablets, laptops, etc., for example; FPC、PCB、 Electromagnetic wave shielding and electrostatic discharge of modules such as speakers, loudspeakers, antennas, cameras, etc Thisproduct can be used as semi-finished product for coating conductive pressure sensitive adhesives or bonding hot melt adhesives to coat polyurethane foam cotton, for internal structural parts of electronic products such as mobile phones, tablet computers, notebook computers, such as FPC, PCB, speakers, loudspeakers, speakers, etc. Electromagnetic shielding and static discharge of antenna, camera and other  modules.