Most polymer materials are flammable and combustible materials. They have a large heat release rate during combustion, high calorific value, fast flame propagation speed, difficult to extinguish, and sometimes produce dense smoke and toxic gases, which cause huge damage to people’s lives and the environment. harm. Today we will introduce in detail the three common … Read more
Each industry has skills and shortcuts for each industry, so in the wire and cable industry, how to remember the problem of cable models is a skill of the industry. Only those who are knowledgeable can remember, and those who don’t understand can learn and understand. There are many specifications and models of power cables, … Read more
BV wire, full name copper core PVC insulated wire, referred to as plastic copper wire. That is, a general-purpose single-core hard conductor non-sheathed cable with a diameter of 1mm or more. It is suitable for wires used in power installations, household appliances, meters and telecommunication equipment with AC voltage of 450/750 and below. It has … Read more
The operation of power cable lines is extremely important in the entire power production process. Because the safety of cable lines is directly related to the production safety of enterprises and the safety of people’s lives and properties, it is extremely important to understand the operation and maintenance of power cables and lines. Things. In … Read more
Submarine cables are cables wrapped with insulating materials and laid on the seabed for telecommunications transmission. Submarine cables are divided into submarine communication cables and submarine power cables. Modern submarine cables use optical fibers as materials to transmit telephone and Internet signals. In 1850, people laid the world’s first submarine cable between Calais (France) and … Read more
The cable industry has developed to now, and the overall size is very large, with a large number of companies. China has surpassed the United States to become the world’s largest cable manufacturer. However, in this rapid development process, many problems have gradually been exposed. The first problem is that there are few large domestic … Read more
1. Definition of weak current wires Weak current cables refer to cables used for security communications, electrical equipment and related weak current transmission. There is no strict boundary between “wire” and “cable”. Generally, products with a small number of cores, small product diameters, and simple structures are called wires, those without insulation are called bare … Read more
HFTGB series of flexible synthetic mineral insulated fireproof cables are made of copper stranded wire as conductor, wrapped with mineral oxygen barrier, extruded with synthetic mineral insulating material, and then covered with synthetic mineral belt, and the outer layer is spirally wrapped with non-magnetic stainless steel belt. Where the metal sheath is specifically required to … Read more
Due to the special structure of BTTZ rigid mineral insulated cables, it has some characteristics different from traditional cables; it is also the most superior fire resistance characteristic of mineral insulated cables. Advantages of BTTZ rigid mineral insulated cable 1) Completely fireproof BTTZ cable itself does not burn at all, and it will not cause … Read more
What should I do if the cable’s fire protection effect is not good? Try mineral insulated cables! Is the cable’s fireproof effect poor? Have you tried mineral insulated fireproof cables! Mineral insulated fireproof cables not only have the characteristics of fire resistance, high temperature resistance and corrosion resistance, but also good waterproof effect, light weight … Read more