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Ruidetai teaches you to choose PVC electrical tape

by:Kint      2020-02-07
Ruide Tailai teaches you to choose a good PVC electrical tape: Electrical tape is used for wire wrapping and wire insulation, involving electricity safety, so choose a good insulation tape, it is a problem that every electrician has to face. There are many PVC electrical tapes on the market. How to choose? First of all, starting from the appearance of this roll of adhesive tape, a good roll of electrical adhesive tape should have uniform color and luster, smooth cross section, no convex roll and no glue overflow, because if there is glue overflow, it is proved that the glue of this adhesive tape has aged. The thread ends wound with this kind of adhesive tape will not loosen itself for long, causing serious consequences of electric leakage. Then, we can pull the tape open and feel the peeling force of the tape and the stickiness of the rubber surface. Generally speaking, the peeling force of the tape is moderate. If it is too light, it is not easy to wrap the wire, if it is too heavy, it is difficult for workers to pull open and easily deform the tape. The viscosity of the rubber surface is stronger, but it is not as sticky as possible, because as far as the characteristics of rubber are concerned, the rough surface of the rubber surface proves that the glue is very bad, and the glue is easy to rot. Later, we stretched the tape to double the force and looked at the anti-white of the tape. If the color of the tape did not change or only changed a little, it is proved that the base material of this adhesive tape has not been added or only a little filling material is added. If the color of the adhesive tape becomes very white, it is proved that this manufacturer has added a lot of filling materials to the PVC base material in order to reduce the cost, the insulation performance of the adhesive tape is reduced. Therefore, a roll of electrical tape with flat section, moderate viscosity and no or only a little anti-white is a good roll of electrical tape.
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