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Electrical tape or how to identify

by:Yourijiu     2021-02-05
Electrical tape is used for wire wound and the insulation of the thread, involves the safe use of electricity, so, choose a good insulating tape, is faced questions every electrician, electrical tape is used for wire wound on the market and the insulation of the thread, involve the electric safety, therefore, choose a good insulating tape, is each electrician to face problems, a lot of PVC electrical tape on the market, how to choose?

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first of all, start from the appearance of the roll of tape, a roll of good electrical tape, and color should be uniform, the section should level off, without convex volumes, there is no glue overflowing, because if have glue overflow, prove this tape glue has been aging, the use of this tape winding thread, not too long before will himself to loosen, caused the leakage of serious consequences.

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then, we can pull tape, hand feel the peel strength and adhesive tape pull open the viscous, in general, tape stripping strength is moderate, too light is bad wires, heavy workers hard to pull open and easy to pull tape deformation. Rubber surface viscosity is better some, but not the glue the better, because in terms of the characteristics of rubber, rubber surface do rough proof glue do very bad, it is easy to stick glue.

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we finally get the tape twice as hard to long, look at the tape of the white case, if the color of the tape has not changed or just have a little change, prove the tape base material without or only a little bit of filling material, if the tape color becomes very white, prove that the manufacturers to reduce costs, add a lot of filling material in PVC base material, reduce the insulation performance of the adhesive tape.

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so, a roll of level off, the viscosity is moderate, there is no or only a little white electrical tape, is a roll of good electrical tape.

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