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How to distinguish the quality of pvc electrical insulation tape?

by:Kint      2020-02-20
Electrical tape full name PVC electrical insulation tape, electrical insulation tape is also divided into three types: one insulation black tape, the second PVC electrical flame retardant tape, the third high-pressure self-adhesive tape. The insulating black tape only has the insulating function, but it is not flame retardant or waterproof. It has been gradually eliminated and will only be used in some civil electrical appliances. Pvc electrical insulation tape has good insulation, heat resistance, voltage resistance, cold resistance and other characteristics, and is suitable for insulation fixing of various motors and electronic parts such as wire winding, transformer, motor, capacitor, voltage stabilizer and so on. There are red, yellow, blue, white, green, black, transparent and other colors. High-voltage self-adhesive tape is generally used in higher-grade voltage. Due to its good ductility, it is better than the second in waterproof, so people also apply it in the field of low voltage, however, because its strength is not as good as PVC electrical flame retardant tape, these two are usually used together. How to distinguish the quality of insulated electrical tape? First of all: see if the appearance of tape rewinding is compliant, whether there is burrs in the cutting, and whether it is smooth. Second: look at the quality of the adhesive tape. Whether there is anti-adhesive or residual adhesive when the adhesive tape is pulled apart. Third: Ask the smell, now most of the glue has evolved to environmental protection, the taste is very heavy or very pungent is more likely to be a defective product. Fourth: the thickness of the tape is 1. 5 Poor 1. 1.
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