Types of Insulating Tapes

September 08,2022

Insulating tape refers specifically to the tape used by electricians to prevent leakage and insulate. 

 

The insulating tape consists of a base tape and a pressure-sensitive adhesive layer. The baseband is generally made of cotton cloth, synthetic fiber fabric and plastic film. Insulation tape has good insulation pressure, flame retardant, weather resistance and other characteristics, suitable for wire connection, electrical insulation and thermal insulation.

 

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Types of Electrical Insulation Tape

 

Electrical insulating tape is divided into three types:

 

  1. One is an insulating black tape, which has only insulating function, but is not flame retardant or waterproof. It has been gradually eliminated, and it is only used in some civil building electrical appliances.

 

  1. The second is PVC electrical flame retardant tape, which has three functions of insulation, flame retardant and waterproof, but because it is made of PVC material, it has poor ductility, the joints are not tightly wrapped, and the waterproofness is poor, but it has been widely used.

 

  1. The third type is high-voltage self-adhesive tape, which is generally used at higher voltage levels and has better ductility. It is worse than the second type in waterproofing, so it is often used in low-voltage fields, but its strength is not as good as PVCelectrical flame retardant tape, generally these two are used together.

 

Specifications of electrical tape

 

The specifications of electrical tape are represented by numbers, such as 1300, 1500, 1600, etc. These numbers represent the insulating ability of electrical tape. The larger the number specification, the stronger the insulating ability of electrical tape.

 

  1. 1300 tape: suitable for wrapping various industrial wires, this tape is easy to wrap and tear. The temperature range that 1300 tape can withstand is between 0 degrees Celsius and 80 degrees Celsius, and the voltage it can withstand is below 600v.

 

  1. 1500 electrical tape: The color is mostly black. The voltage level of this tape is the same as that of 1300 electrical tape. The wire pinching is slightly greater than 39.37KV/mm, and its usual size is 18*10*0.13mm.

 

  1. 1600 electrical tape: The size of this type of tape is 18mm*20m*0.15mm, the color is mostly black, the insulation resistance is greater than 10 ohms to 12 ohms, and the temperature level is 80 degrees Celsius.

 

Electrical tape quality identification

 

Whether there are defects from the appearance, whether the tape is rewinding well, whether there are burrs in the slitting, and whether it is smooth depends on the material of the tape.

 

Next is glue. Now, most of the glue has evolved towards environmental protection. If it is very pungent, it is more likely to be defective (not referring to all tapes). Then look at whether the tape is sticky when it is pulled down and used, and whether there is any residual glue after tearing it off after use. If the residual glue is on the product, it is a defective product.

 

Kind tips:

 

The PVC material is basically the same, mainly depending on the glue. After a period of time, the poor quality tape is wrapped, and then untied, you can see that the glue and the PVC material are separated and look sticky. And good quality tape will not have this problem.

 

Last few words

 

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