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There are many kinds of insulating tape, how to distinguish it?

by:Kint      2020-02-04
The full name of electrical tape is PVC electrical insulation tape, which is also called electrical insulation tape or insulation tape. Electrical tape is suitable for insulation of various resistive parts. There are three kinds of general electrical insulation tape, one is insulating black tape, the second is pvc electrical insulation tape, the third is high-voltage self-adhesive tape, and the three have their own functions. How to judge the quality of electrical insulation tape when purchasing electrical insulation tape? Pvc electrical insulation tape factory Rui detai told everyone. One is insulating black tape, which has only insulating function, but is not flame retardant or waterproof. It has been gradually eliminated, and only some people are still using it in some civil buildings. The second is pvc electrical insulation tape, which has three functions of insulation, flame retardant and waterproof. However, because it is made of pvc material, it has poor ductility and cannot wrap the joint tightly, waterproof is not ideal, but it is now widely used. The third is high-voltage self-adhesive tape, which is generally used at higher grade voltages. Due to its good ductility, it is better than the second in waterproof, therefore, people also apply it in the field of low voltage, but because its strength is not as good as pvc electrical insulation tape, these two are usually used together. Quality identification of electrical tape: from the appearance, whether there is a flaw, whether the tape is rewound, whether there is burrs, whether the tape material is smooth ( There are many kinds of electrical insulation glue, so we will not judge the quality of the materials one by one. In most cases, we have to look at the usage) Looking at the glue, now most of the glue has evolved to environmental protection, the taste is very important, if it is very pungent, it is more likely to be a defective product (Not all Tapes) Is there any anti-adhesive when the tape is pulled down and used, and is there any residual glue after tearing off? If the residual glue is on the product, this is the fatal point of the defective tape. The PVC material is basically the same, the main thing is to look at the glue. After a period of time after the tape is wrapped up, it can be untied. It can be seen that the glue and PVC material are separated. It looks sticky and uncomfortable, and good quality tape will not have this kind of problem. Price of pvc electrical insulation tape
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