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RFI shielding wire mesh

RFI (radio frequency interference) shielding wire mesh is usually adopted by electronic equipment manufacturers in electro magnetic interference (EMI) and radio frequency interference (RFI) to protect sensitive digital circuits from external radiation, while limit the potentially harmful radiation emitted by their products.

RFI (radio frequency interference) shielding is a method of protecting electronic devices and technological systems from damaging electromagnetic interference (EMI). One of the most effective materials for defending against these electromagnetic waves is metal mesh — particularly copper woven wire cloth.

Typically, EMI is generated from large electronic equipment to smaller devices. However, small electronics can also transmit waves that negatively affect other systems.

As a result, electronics tend to malfunction due to:
The suppression of radio signals within a device;
Internally generated emissions, which interfere with functionality;
Ambient interference from the outside, which impacts operation efficiency.

Protective metal wire cloth is essential for safeguarding valuable electronic equipment and ensuring it runs properly. One of the oldest measure of this solution is the Faraday cage, wrapped in conductive mesh material. The fabricated item was invented by Michael Faraday in 1836 to block electromagnetic fields.

RFI / EMI shielding mesh materials are used as parts against light-transmitting electromagnetic shielding or electromagnetic wave radiation.
Modern RFI shielding is used to protect a broad range of electronic equipment, including but not limited to:
Laboratories, strong and weak current rooms, and radar stations;
Hand-held computers;
Smart meters;
Telecommunication systems;
Test chambers;
Computer labs;
GPS navigation;
MRI machines and other medical equipment;
Recording studios;
Ground planes.

Electromagnetic radiation protection;
Shield electromagnetic interference to ensure the normal operation of equipment;
Prevent electromagnetic leakage and effectively shield the electromagnetic signal of the display window.

Copper wire mesh screens for RFI shielding is manufactured from over 99% woven copper wire. Popular RFI wire mesh are 16x16 mesh, 100x100mesh, 200x2000mesh, etc.

Types of RFI Shielding Mesh Hardware Cloth:

RFI shielding pure copper woven wire mesh

Materials:pure red copper
Weave: Plain weave
Wire diameter:0.05-1.8mm
Roll width:0.914m, 1.0m, 1.2m, 1.5m, etc
Roll length: 30m or custom size.
Feature:Non-magnetic, wear resistance and good sound insulation

Phosphor Bronze Woven Wire Mesh
for Mobile Phone Signal Blocking

Fine Mesh phosphor copper wire screen, 100mesh, for EMI/RFI SHIELDING

Purple / Red copper mesh Rolls

Red copper wire mesh has good electrical conductivity, heat transfer performance, non-magnetic, corrosion resistance, and wear resistance.
Mesh number: plain weave generally ranges from 5 mesh to 200 mesh, twill weave can be made more than 250 mesh.
Use: Shield electromagnetic wave signal.

High Performance EMI Shielding copper wire mesh

EMI copper mesh effectively blocks the electromagnetic waves to the human body
Light transmittance 50%-70%
Light transmittance: low reflection, high light transmittance and good shielding performance
Air permeability: good air permeability
Processing type: soft texture, good extensibility, easy to cut into different shapes and sizes