Many people in the industry are still unclear about the properties and differences of volcanic rock inorganic minerals casting busbars and epoxy resin casting busbars. Although they belong to the category of pouring busbars, there are still many differences between them. Check it out!

I. Mature performance: A record of the early stage of the volcanic inorganic mineral pouring busbar. In 1963, a power plant in Europe, with a low voltage scale of 2805m and a medium voltage scale of 276m, has been in operation for 55 years and no accidents have occurred. The history of the birth of epoxy cast busbars was not more than ten years and there was no mature performance.

Second, with the characteristics: volcanic inorganic minerals cast busbars are mainly used in volcanic inorganic minerals, is the magma after the crater ejected from the surface and formed after the spurt out of the rock, the formation of natural material, experienced geological activities around the volcano , It has superior quality in fireproof, fireproof, waterproof, explosion-proof, anti-corrosion and many other aspects. It can be used in a variety of complex environments. Epoxy resin casting busbars are mainly epoxy resin and are a chemical synthetic material. To some special environments or substances will also produce a series of chemical reactions, the toxicity of its chemical species and low mechanical strength is also the epoxy resin pouring bus to solve the problem. !

Third, the hot ductility: the technical personnel of the industry should understand that the difference in the thermal ductility of the two substances, will lead to changes in the material during its operation, the casting bus is generally a copper conductor with excellent conductivity, this copper The thermal ductility of the conductor is 17×10^(-6), and the thermal ductility of the volcanic minerals is 19×10^(-6), which is very close to ensure the heat dissipation performance of the busbars and between the busbar and the insulation material. Precise combination, no blistering and cracking. There are many types of epoxy resin used in epoxy resin casting busbars, and the humidity of the environment will also affect the change of the hot ductility coefficient. There are also many domestic manufacturers of epoxy resin casting busbars, and the type and composition of the epoxy resin used Also different, the hot ductility is generally about 67 × 10 ^ (-6), and now the best thermal expansion coefficient of the epoxy resin composite material is also about 30 × 10 ^ (-6), a great difference with the copper conductor Individuals with very different hot extensibility are combined into one piece. There is usually no problem in the early stage. After two or three years of operation, it is inevitable that cracking and other phenomena will not occur.

Fourth, the price, the price is also the focus of most companies, because there are many manufacturers of epoxy resin busbars in China, the overall price of volcanic inorganic pouring busbars is 0% higher than the epoxy resin busbars - 20% At the same time, although prices have also increased some burdens on some companies, they have invested more than 0% in the early period - about 20% of the price. This is also buying insurance for enterprises to protect the safety of transmission and distribution lines of enterprises. It is impossible to estimate the losses incurred by the company in the event of a power outage on the transmission and distribution lines.