The products of Ji'nan insulation pipe company adopt isocyanate, which is formed by three kinds of quantitative catalyst and polyether reaction, forming foam material, and its cooling degree is better than that of common pipe material. In recent years, the performance of some new types of pipes and foam glass has been widely praised by some people for being consistent with the market price. But there are also some enterprises using these two materials in the cold industry. But this is not the case. We must believe that all kinds of materials for the survival of the fittest must have its development. If the performance and use are the same, then all cold insulation manufacturers can only do a good job?
Today, everyone needs to understand the comparison between insulation tube and foam glass. Each has its advantages and disadvantages of polyurethane pipe products, which are light in density, low in temperature, low in thermal conductivity, good in thermal insulation, flexible and can withstand slight vibration of pipes. The price is generally 45 yuan /m3. The prefabricated polyurethane heat preservation pipe shall be made of heat preservation material with low thermal conductivity; it shall not be affected by dampness, good heat resistance, metal corrosion, light weight and large gap; it shall have certain mechanical strength and not be damaged by external force; it shall be simple in processing and low in cost. Commonly used thermal insulation materials are expanded perlite and its products, glass wool and its products, rock wool products, microporous calcium silicate, aluminum silicate fiber products, foam plastics, foam asbestos and so on.
Polyurethane direct buried heat preservation pipe is suitable for heat preservation and cooling of indoor and outdoor pipes, central heating pipes, central air conditioning pipes, chemical, pharmaceutical and other industrial pipes. Polyurethane foam insulation tube polyurethane synthetic materials overview, since its inception in 30s, has been a good insulation material, has been developing rapidly, and its application scope is more and more widely. Because of its simple construction and remarkable energy saving and anti-corrosion effect, it is widely used in all kinds of pipes such as heating, refrigeration, oil, steam and so on. A large number of heating, cooling, oil supply, steam and other pipes. Disadvantages: poor water absorption, fire can only reach Class B1. Foam glass has high temperature resistance, no water absorption, no aging, no shrinkage and no combustion. The disadvantage is that the price is relatively high and the thermal conductivity is higher than PIR, so the thickness should be increased.
When we compare the two kinds of cold insulation materials, we try to consider their actual situation. The prefabricated polyurethane heat preservation pipe shall be made of heat preservation material with low thermal conductivity; it shall not be affected by moisture, has good heat resistance, does not corrode metal, is light in weight and has large space; it shall have certain mechanical strength and will not be damaged by external forces; it shall be simple in processing and low in cost. Commonly used thermal insulation materials are expanded perlite and its products, glass wool and its products, rock wool products, microporous calcium silicate, aluminum silicate fiber products, foam plastics, foam asbestos and so on. Choosing a manufacturer with good technology and reasonable price, with guaranteed quality, plus products suitable for oneself, is a successful purchase. Now, these two ideal materials, polyurethane pipe manufacturers are often used to combine, one layer of PIR, a layer of foam glass outside, if we need better performance products, we can also consider this composite material.
