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Application of synthetic mica tape in fire-resistant cable
Release time:
12 Jan,2024
The application field of fire-resistant cable is gradually expanding, from the original offshore oil platform to aviation, aerospace, navigation, subway, tunnel, commercial building, hospital, dance hall, metallurgy, chemical industry and power plant, etc., which require high fire resistance rating. In recent years, with the maturity of the manufacturing technology of fire-resistant synthetic mica tape, the amount of fire-resistant cables manufactured with it is increasing. As we all know, the refractory mica tape is divided into two categories: *(950-1000 ℃) and B (750-800 ℃). There are two kinds of gold mica tape and synthetic mica tape widely popular in the market. The former is generally suitable for manufacturing Class B fire-resistant cables, while the latter is suitable for Class B fire-resistant cables and fire-resistant cables. * Tape can replace Class B tape to manufacture Class B fire-resistant cables, while Class B tape cannot replace * tape to manufacture * durable fire cables. Foreign mica tape manufacturers only produce B- grade tape, and have not yet seen reports of * synthetic tape. Recently, foreign countries have a kind of film-reinforced gold mica tape that is trying its best to enter the Chinese market in an attempt to compete with the synthetic mica tape invented by the Chinese people. However, the film-type mica tape is also a Class B tape, which cannot be compared with the synthetic tape at all. Besides, the performance and price are quite different. This paper discusses the application of synthetic mica tape in the fire-resistant cable, in order to clarify the foreign foreign countries of a country on the domestic synthetic mica tape and the fire-resistant wire and cable manufactured with it, to maintain, consolidate and expand the domestic and foreign markets of the domestic synthetic mica tape and fire-resistant cable.
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Application of synthetic mica tape in fire-resistant cable
The application field of fire-resistant cable is gradually expanding, from the original offshore oil platform to aviation, aerospace, navigation, subway, tunnel, commercial building, hospital, dance hall, metallurgy, chemical industry and power plant, etc., which require high fire resistance rating. In recent years, with the maturity of the manufacturing technology of fire-resistant synthetic mica tape, the amount of fire-resistant cables manufactured with it is increasing. As we all know, the refractory mica tape is divided into two categories: *(950-1000 ℃) and B (750-800 ℃).
Refractory mica tape-Refractory insulation
High temperature resistance: synthetic mica belt fluorine gold mica belt, does not contain crystal water, melting point 1375 ℃, safety margin, high temperature resistance is the best, phlogopite releases crystal water above 800 ℃, high temperature resistance is the second, muscovite releases crystal water at 600 ℃, high temperature resistance is poor.
Calculation method of used quantity of polyethylene heat shrinkable winding tape
Heat shrinkable tape (open sleeve) is used to prevent corrosion at the welding place of two steel pipes. What is important is to use a set of heat shrinkable tape for one joint joint. The specifications are divided according to the pipe diameter and the price is sold according to one set. Therefore, a set of heat shrinkable tape will contain all the materials required for this weld joint corrosion protection: main tape; Epoxy primer; Fixing sheet; Adhesive tape.
How much do you know about wire and cable wrapping?
1. protect the insulation or inner sheath layer from damage to the armor when the cable is armored, and play the role of buffer and liner. 2. in the process of cable use, due to different materials on the cable insulation or inner sheath layer from heat insulation, or anti-corrosion, anti-aging and other different effects.
Flame retardant cable is characterized by delaying the spread of flame along the cable so that the fire does not expand. Whether it is a single cable or a bundle of laying conditions, the cable is known to burn when the spread of the flame can be controlled within a certain range, so you can avoid the fire caused by the major disasters, thereby improving the fire level of the cable line.
What is halogen-free flame retardant belt?
Halogen-free flame retardant products with flame retardant level up to UL94-V0 standards, does not contain fluorine, chlorine, bromine, iodine halogen. Low smoke when burning, more environmentally friendly. The product has good self-adhesion, completely self-melting in a short time, no layering, and good sealing. The self-adhesive tape has good ductility, insulation and excellent physical properties.