Material and applicable scope of electrical tape
Electrical tape is generally abbreviated as PVC electrical tape, PVC tape, etc. It has good insulation, flame resistance, voltage resistance, cold resistance and other characteristics. It is suitable for winding wires, transformers, motors, capacitors, voltage stabilizers and other types of motors and electronic parts. For insulation and fixing. There are red, yellow, blue, white, green, black, transparent and other colors.

Electrical tape

It is made of polyvinyl chloride film as the base material and coated with rubber-type pressure-sensitive adhesive.

Electrical tape refers to the tape used by electricians to prevent leakage and provide insulation. It has good insulation and pressure resistance, flame retardant, weather resistance and other characteristics, suitable for wire connection, electrical insulation protection and other characteristics.

Winding wires and cables, waterproof insulation protection, suitable for insulation of various resistance parts. Such as the winding of wire joints, the repair of insulation damage, the insulation protection of various motors and electronic parts such as transformers, motors, capacitors, and regulators. It can also be used for binding, fixing, overlapping, repairing, sealing and protecting in industrial processes.

Working principle and operation method of insulating tape
Insulating tape, also known as insulating tape, tape, is composed of a base tape and a pressure-sensitive adhesive layer. It is a kind of tape used by electricians to prevent leakage and play an insulating role. So, why can insulating tapes prevent leakage? What should be paid attention to in operation and use? Now, let us popularize this knowledge for everyone.

Introduction:

Insulating tape is widely used in electrical work such as wrapping, joints, insulation and sealing of wires used below 380V. There are two production processes: rubbing glue and glue spreading. Production process: Polyvinyl chloride film is used as the base material and coated with rubber-type pressure-sensitive adhesive.

principle:

Direct use of plastic tape has many disadvantages: plastic tape is easy to be misplaced and opened for a long time; when the electrical load is heavy, the connector will heat up, and the plastic tape will melt and shrink; the power connector is squeezed in the junction box, and the connector is easy to tie when there are burrs. Injury plastic tape, etc.

These hidden dangers will directly endanger personal safety, cause circuit short-circuits, and cause fires. The above situation will not occur if the insulating black tape is used. It has certain strength and flexibility, can be tightly wound around the joints for a long time, and is compact and shaped under the influence of time and temperature, will not fall off, and is flame-retardant. Furthermore, wrapping it with insulating black tape and then wrapping it with plastic tape can prevent moisture and rust.

Of course, the insulating self-adhesive tape also has its defects. Although it has good waterproof performance, it is easy to break. Therefore, two layers of plastic tape must be wrapped as a protective layer at the end.

Operation method:

In the process of using electricity, although people have noticed that the size of the cross-sectional area of ​​the power cord material has an impact on the safe use of electricity, they often pay insufficient attention to the use of insulating tape for the joints. The laying of power lines is becoming more and more complicated, and it can be found under wooden floors, in walls, in partitions, and in wet ground or water. If the insulation tape is used improperly, electric leakage will occur, endangering personal safety. Therefore, we must use insulating tape correctly. The power cord connector is divided into “+” word connection, “-” word connection, and “T” word connection. The joint should be tightly wound, smooth and free of burrs. Otherwise, before the thread is disconnected, first use wire cutters to press it lightly, then wind to the pressure port, and then swing left and right, the thread will be compliantly disconnected at the joint. If the joint is in a dry place, first wrap 2 layers of insulating black tape, then 2 layers of plastic tape, and then stretch it about 200% with insulating self-adhesive tape, wrap 2 to 3 layers, and finally wrap 2 layers of plastic tape.

Through understanding, although insulation tape has good insulation voltage resistance, flame retardant, weather resistance and other characteristics, suitable for wire connection, electrical insulation protection, etc., if it is improperly operated, it will not only fail to protect it, but it may also endanger personal safety. Or cause a fire. Therefore, when using it, you need to have basic knowledge in this area.

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