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What kind of electrical tape are there and making process

by:Kint      2020-04-08
Electrical tape classification: 1. Only black tape, insulation insulation functions, but not flame retardant is not waterproof, has now been phased out, only in some civil construction electrical with others. 2. Electric flame retardant PVC tape, it has the function of waterproof insulation, flame retardant, and three, but because it is PVC material, so the poor ductility, cannot joint package is very strict, water proofing property is not very ideal, but it has now been widely used. 3. High pressure since the adhesive tape, general use on the level of high voltage, due to its good ductility, is more excellent than the second on the waterproof, so people also apply it in the field of low pressure, but because of its strength than PVC flame retardant tapes, usually the two cooperate to use with polyvinylchloride (PVC) as the backing material, then coated with rubber pressure-sensitive adhesive manufacturing. Used specifically to electrician electrical tape used to prevent leakage, insulation tape. Good resistant to high voltage, fire and weather resistance and other properties, PVC electrical tape, designed for connecting separated electrical wires for electrical insulating and protection purposes. The power cord connector is divided into 'ten' word connection, the character 'one' connection, 'ding' word connection, etc. Joint should be put in mind, smooth without a thorn. Before thread broken, should use wire clamp wire light pressure, winding to mouth again, then swinging, thread will be submissive to the disconnect joint. If the joint in a dry place, should use insulation cloth wrapped two layer first, and then wrapped in plastic tape ( Also called PVC adhesive tape) Two layers, the second with J - 10 insulating adhesive tape stretched around 200% around two or three layers, and finally up two layers of plastic adhesive tape. Because direct use plastic tape shortcomings of: plastic tape open a long plastic displacement, plastic easily; Electrical load weight, fever, joint plastic electrical tape is easy to melt the contraction; Power joint mutual pressure inside the box, connector have burr, it is easy to poke empty plastic tape, etc. , these concerns directly endanger the personal safety, caused line moderate, causing a fire. And use black insulation tape above will not happen. It has a certain strength, flexibility, can tightly wrapped in tapping for a long time, affected by time and temperature and dry fixed type, don't fall off, and flame retardant. Moreover, with black insulation tape wrapped up again after tape to moisture, rust. Insulating adhesive tape have drawbacks, however, it is waterproof properties is good but easy to break, so finally to be wrapped in two layers of plastic tape as a protective layer, the insulation of the joint and the joint adhesive with each other is not sticky, better performance. Learn to electrical tape using method, used correctly, prevent leakage, harm reduction.
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