Which is the better conductor to use for fire-resistant power cables?

As the fire-resistant cable is now used more and more common, so generally many manufacturers are in production, but often the quality is not up to guarantee. So in this case, enterprises in the development of fire-resistant cable products, are the first trial production of a section of the product, sent to the relevant testing organizations, to obtain the test report, on the batch production, there are a few cable manufacturers to establish their own fire-resistant test testing room, fire-resistant test is for the production of the cable process results of the test, the same process program, in different periods of time the performance of the cable produced by the existence of a certain degree of variability for the Production of fire-resistant cable for the enterprise if the fire-resistant cable fire-resistant test pass rate of 99%, then the fire-resistant cable there is a 1% risk of safety hazards, which is the danger for the user. Mica tape three kinds: synthetic mica, gold mica, white mica, their respective quality performance is better synthetic mica, white mica is the worst, for small specification cables must be selected synthetic mica tape for wrapping, mica tape delamination can not be used, long term storage of mica tape is easy to hygroscopic, the gold ring of Yu wire and cable small recommended in the storage of mica tape must be taken into account in the storage of the surrounding environment of the temperature and humidity. Power cable mica tape winding equipment, should be used for good stability, winding angle is better in 300 - 400 around the package, the mica tape wrapped evenly and closely, all the equipment and equipment according to the touch of the guide wheel and the rod must be smooth, neatly lined up, tension is not easy to be too large, the collection of workpiece wheel side panels and the cylinder body is smooth and flat.

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