The electrical tape in the tape wholesale is used for wire dressing and wire head insulation, involving electricity safety, so must be careful to choose.

Judging from the appearance, a good roll of electrical tape should be evenly colored, the section should be flat, there is no convolution, and there is no glue Overflow, because if there is glue Overflow, the glue that proves that the tape has aged, the thread around which the tape is used. It will not take long to release itself, causing serious consequences of leakage. Can pull off the tape, with the hand to feel the adhesive tape pull off the force and adhesive surface, general adhesive tape stripping power can be moderate, too light words not winding wires, too heavy workers difficult to pull open, and easy to pull the tape deformation.

In addition, the adhesive surface is stronger, but it is not as sticky as possible, because in the case of rubber, the rubber surface is rough to prove that the glue is very bad, and the glue is easily rotten.