At present, our company has three types of nano-silver materials, nano-silver non-woven fabrics, nano-silver conductive fabrics, and nano-silver knitted fabrics. Because the materials are used in different ways, the products have different functions. Non-woven fabrics and conductive fabrics are conventionally used as medical supplies. Most of the antibacterial conductive functions are disposable, so there is no need to have the washing function. Nano silver knitted fabrics are mostly used in clothing, home textiles, etc., and need to be recycled. Our test report shows that the antibacterial effect after washing 50 times in the standard operation The ability and shielding effectiveness have reached the qualified standard.

There are two ways of thinking about this question:

1. Does the single-guide copper foil tape conduct electricity? In this case, the single conductor copper foil tape is conductive, because the copper foil in the single conductor copper foil tape is very conductive.

2. As the whole single-conductor copper foil tape, because the glue on the copper foil is not conductive, the current between the copper foil and the glue is not conductive, and the conductivity is 0. From this point of view, single conductor copper foil tape has no conductivity.

The radiating graphite sheet can be used in the radiating fin of the desktop computer; Can be directly used between the radiator and the computer chip to conduct heat, accelerate the heat dissipation of the radiator, and then through the cooling fan to blow out the heat speed, in order to ensure the computer chip in the normal temperature work.

The reason why graphite should be wrapped is because the thick graphite flake will fall graphite powder in the process of use, graphite fall will lead to uneven heat dissipation surface and affect the heat dissipation and heat transfer of the whole graphite flake, followed by graphite powder will cause short circuit of electronic products. And the thinner graphite sheet, because of the size of the graphite powder can not fall. It is recommended that the graphite sheet above 0.2mm should be insulated by the wrapping edge.

Generally speaking, if the electronic products you design can not be installed in the space and location of the fan and metal heat dissipation, you can directly contact the IC and the shell by heat conduction double-sided tape, directly by the way of heat conduction heat transfer to the external cold air of the product, to achieve the effect of heat dissipation.

Double-sided thermal conductive tape is made of acrylic polymer coated on both sides of glass fiber and made of double-sided adhesive thermal conductive tape. When used, it can be immediately bonded by light pressure, and the bonding performance and strength increase with the increase of temperature and time. Double-sided thermal conductive tape has excellent thermal conductivity and bonding performance, so that there is no need to fix and liquid adhesive between the heat source and the heat sink, it can be die-cut into any shape of products, and can be pre-bonded on a surface for future use.

Conductive sponge (foam) is made of polyurethane as the sponge core, with excellent elasticity and flame retardancy. The outer material is the structure containing nickel copper metal coating, which has good electrical conductivity. Conductive foam has good shielding performance, and has a very high cost performance. It is the newest and most widely used shielding material at present.
The conductive foam is suitable for electromagnetic shielding, anti-static (ESD), grounding and other occasions. It comes in various forms and is widely used in communication equipment, electronic computers, notebook computers, automatic control, mobile phones, military equipment and other fields of rack, chassis, backstock shielding door/cover and other places.
The product quality is stable, heat resistant, not easy to fall off, high tensile strength, after the installation of the product, in the low temperature -20℃ to high temperature 80℃, the cycle cycle test 72 hours still maintain the quality. It has a series of characteristics such as easy to use, easy to bend, ultra-thin volume and reliable performance.
Features:
Low pressure very good shielding effect, shielding efficiency is more than 90dB.
● Flexible and light weight.
● Corrosion resistant nickel coating can prevent electrochemical corrosion.
● Low surface contact resistance.
● Quick pressure sensitive fixation.
●UL fire protection.

Advantages of conductive foam:
1. Improved Z-axis resistivity can increase shielding efficiency to more than 90dB over a wide frequency range
2. Large compression range, which can be compressed to 60% of the original thickness
3, same UL94HB and V0 flame retardant grade
4, conductive foam is suitable for a variety of standard configuration, including the D - subs, USBport, IEEE1394, SCSI and RJ11. (can also be applied to thin plate and the rectangular shape)
5, can be cut into the required shape
6, punching I/O, rectangular gasket and panel gasket when supply can back or not back conductive adhesive
Features of conductive foam:
1, the material is very light, can have the performance of electromagnetic shielding leading product electrostatic protection performance with reliability
2, the material is light, so its surface impedance ability is reduced, no dependence on environmental humidity and other characteristics
3, conductive cloth foam application of good corrosion resistance and oxidation resistance two properties, fully meet the optoelectronics, microelectronics, aviation, aerospace, communications, military, chemical and other high-tech enterprises for new anti-static material needs.

1, resistance to meet the requirements
Generally conductive cloth resistance is < 0.05 ohm, conductive cloth has good conductivity, shielding electromagnetic wave and other properties. We can also provide conductive cloth according to customer’s requirements.
2. The coating should be uniform
The uniform coating in the conductive cloth can ensure that the resistance of each part of the material is uniform, and there will not be different resistance. This performance is more stable, more effective to play a shielding role.
3, the thickness should be uniform
The general thickness tolerance of conductive cloth is plus or minus 0.02mm. In some electronic industry, the thickness requirement is very fine. For example, if it is larger than 0.03mm, it does not meet the requirements. Can not achieve the effect that the customer wants.
4, can not appear silk
Conductive cloth is made of fiber cloth (commonly used polyester fiber cloth) as the base material, and becomes conductive fiber cloth by electroplating metal coating after pre-treatment to make it have metal characteristics. Widely used in the electronic industry, are used in electronic products after a series of processing, because absolutely can not appear silk.
5. Viscosity requirements
Different customers may have different adhesiveness to conductive cloth tape, because the conductive adhesive should be laminated according to customer requirements. Of course, the general routine on the line, unless there are special circumstances.

There are many types of conductive cloth tapes. The following is the introduction of conductive cloth tape storage and use of maintenance.
1, conductive cloth tape should be stored in the warehouse, to prevent the sun, rain; Stop touching with acid, alkali, oil and organic solvents, adhere to clean and dry, distance from the equipment 1m, the room temperature between -15℃~40℃.
2. The tape should be placed in rolls without folding. If the storage time is too long, it should be turned over once every quarter.
3. When loading and unloading the conveyor belt, it is best to use a crane and hoist it smoothly with a rigging with a beam to prevent damage to the belt edge. Do not load and unload recklessly, resulting in loosening of the roll and swing sleeve.
4, the type of tape, the standard should be based on the use of needs and specific conditions, reasonable choice.
5, do not put different varieties, different standard models, strength, the number of layers of tape together (with the group).
6. Conveyor belt joints are best connected with hot vulcanized glue to improve reliability and adhere to high useful strength.
7. The diameter of the conveying roller of the conveyor and the diameter of the minimum pulley of the conveyor belt should conform to the relevant provisions.
8, do not make the tape snake or creep, to adhere to the drag roller, vertical roller sensitive, tensioning force should be moderate.
9. When the conveyor is equipped with baffle and cleaning equipment, the wear of the belt should be prevented.
10. Cleanliness is the basic condition for the excellent operation of the tape. Foreign substances will affect the quality, tension difference and even cracking.
11. When the tape is found to be damaged in the early stage, it should be found out in time and repaired to prevent the appearance of adverse consequences.