Static-Dissipative Adhesive Tape

Static dissipative tapes are special types of tapes that have the ability to dissipate static charges quickly, preventing the build-up of static electricity and thus protecting sensitive electronic equipment, products or the environment from electrostatic discharges (ESD). The principle of operation is based on the addition of special conductive or static dissipative materials to the tape. These materials usually have a certain degree of conductivity, can make the electrostatic charge in the tape surface or inside the formation of conductive channels, so that the electrostatic charge will be guided to the ground or other grounded objects, to achieve the rapid dissipation of static electricity.

• Static dissipative performance: It has good static dissipative ability, and can reduce the static charge on the surface of the object to a safe level in a short period of time. Generally speaking, the surface resistance of static dissipative tape is between 10^6Ω and 10^11Ω, which can effectively dissipate static electricity and prevent excessive current from harming equipment or personnel.
• Adhesion: With proper adhesion, the tape can be firmly pasted on the surface of various objects to ensure that it will not easily fall off during use. At the same time, when you need to remove the tape, and will not leave too much residual glue on the surface of the object, so as not to affect the appearance and performance of the object.
• Physical properties: usually has good flexibility, abrasion resistance and corrosion resistance, can adapt to different working environments and use conditions. For example, in some high temperature, humidity or chemical corrosion of the environment, static dissipative tape can still maintain the stability of its performance.

According to the substrate: common polyester (PET) substrate, polyimide (PI) substrate, polypropylene (PP) substrate and so on. Different substrates have different physical and chemical properties and can be selected according to specific needs. For example, PET-based adhesive tapes have better transparency and mechanical strength, and are suitable for general packaging and surface protection of electronic devices; PI-based adhesive tapes have higher high-temperature resistance, and are commonly used in aerospace, high-end electronics manufacturing and other environmentally demanding fields.
According to the adhesive type: mainly acrylic adhesive, silicone, rubber adhesive and so on. Acrylic adhesive has good adhesion and weather resistance, applicable to most conventional environments; silicone has excellent high and low temperature resistance and chemical stability, commonly used in some of the higher performance requirements of special occasions; rubber adhesive adhesion, the adhesion of some rough surfaces is better, but the weather resistance is relatively poor.

• Electronics Industry: Used in the production, transportation and storage of electronic components for packaging, fixing and marking electronic components to prevent static electricity from causing damage to electronic components. For example, integrated circuit chips, printed circuit boards (PCBs), liquid crystal displays (LCDs), etc. need to be protected with static dissipative tapes.
• Semiconductor manufacturing: In the manufacturing process of semiconductor chips, the control of static electricity is very strict. Static dissipative tapes are widely used in wafer handling and chip packaging to ensure that the quality and performance of the chips are not affected by static electricity.
• Aerospace: In the aerospace field, many electronic devices and components are very sensitive to static electricity. Static dissipative tapes can be used for the installation of electronic equipment inside the aircraft, the fixation and insulation of wires and cables, as well as the packaging and transportation of avionics equipment, in order to prevent safety accidents triggered by static discharge.
• Medical equipment: Some medical equipment, such as pacemakers, electronic blood pressure monitors, medical electronic instruments, etc., are more sensitive to static electricity. Static dissipative tapes can be used in the production, packaging and transportation of these devices to protect them from electrostatic damage and ensure the stability and safety of their performance.

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