Foam concrete used as sound-absorbing and energy-absorbing material
The price of nickel and stainless steel rose together. Nickel afternoon hand in hand with stainless steel together turn red up. Due to the temporary easing of geopolitical risks, risk assets are now picking up, nonferrous metals, stock markets, and so on have risen, the overall mood has temporarily improved. Ore prices are strong, the overlay of the epidemic on spot logistics or the formation of a certain impact. Phase, nickel and stainless steel materials to maintain high wide concussion pattern.
Nickel prices based on low inventory, tight supply and demand will still show high wide fluctuations. In addition, the current LME has low liquidity, so its sensitivity to capital will remain relatively high. Shanghai nickel-wide fluctuations are expected to continue in the 200,000-250,000 yuan wide repeated fluctuation trend. While stainless steel is affected by the stronger nickel pig iron, the cost support continues, but note that under the current demand is not effectively released, the upward space may also be affected, the stage is expected to fluctuate between 20000 and 22,000 yuan. The price of nickel produced such fluctuations, indicating that the price of the concrete foaming agent may also be affected to a certain extent.
The open-cell foam concrete is an excellent sound absorption material, while the closed-cell foam concrete is an excellent sound insulation material.
Materials with an average sound absorption coefficient greater than 0.2 are usually called sound absorption materials. There are two kinds of traditional products: fiber (rock mineral wool board, etc.) and porous (foam and foam glass, etc.). Foam concrete is a new type of porous sound absorption material, and its average sound absorption coefficient is 0.8-1.4, which is a strong sound absorption material and can reach the first or second grade standard. It has great market and competitive advantages in the following aspects.
1. Outdoor sound-absorbing materials (road, railway sound absorption barriers)
Foam concrete outdoor sound absorption material market is mainly the sound absorption barriers on both sides of highways and railways. At present, the sound absorption barriers used in roads are mainly sawdust cement board and foam glass board. The former has a low sound absorption coefficient, which can not meet the needs of high-speed railway, and is not beautiful, while the price of the latter is too high. The foam concrete has good sound absorption performance and can meet the sound absorption requirements of any road, but the price is very low.
2. Sound-absorbing materials of indoor walls
Indoor sound absorption has sound absorption ceiling and sound absorption wall. Foam concrete has a great market advantage in wall sound absorption. Compared with rock mineral wool and other fiber sound absorption board, it does not have the disadvantage of itching all over the body during cutting and installation, and the strength is good, and the price is also low. In the subway wall, this product will have a big market, in large shopping malls, station waiting rooms, theatres, conference halls and other building walls also have a huge market.
3. Sound insulation sandwich composite board (partition sheet)
The existing indoor partition is in the wooden keel on both sides of the installation of 5 "10" paper plasterboard, the wall is empty, not sound insulation, not strong, can not be nailed. The foam concrete composite sound insulation board is 5 inches thick and occupies a small space, the two surfaces are colored decorative layers, and the middle is 4 inches thick foam concrete, which has both isolation and sound insulation effect, and is twice as fast as installation, so it is welcomed by consumers.
1. Used in energy absorption in airport protection.
Foam concrete has very strong impact resistance. Ordinary concrete can be broken with a sledgehammer, but it is difficult to break foam concrete. Making use of its energy absorption, a number of high value-added products have been developed, such as airport safety protection foam block, racing track safety protection foam block, road accident prone zone safety protection foam block and so on. When an aircraft or a car rushes out of control out of the runway or road, it enters the foam block protective belt, which stagnates and protects the aircraft or vehicle intact due to the impact absorption performance of the foam block.
2. Used in shooting and explosion energy absorption protection.
Foam concrete has a good absorption effect on bullet shock wave and explosion shock wave, which can greatly reduce the destructive power of shooting and explosion. In terms of anti-explosion, there are two types of products of development significance and civilian use.
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The coronavirus (COVID-19) pandemic not only had a significant impact on public health, it also severely affected one of the linchpins of the global economy – the tourism industry. As many countries introduced curfews and travel restrictions to contain the spread of the virus, travel across the world significantly declined from early 2020 onwards. The financial repercussions of the coronavirus have already begun to manifest themselves within the tourism industry. In 2020, global revenue from the travel and tourism industry was estimated to drop from a forecasted 711.94 billion U.S. dollars to 568.6 billion U.S. dollars, representing a decrease of over 20 percent. The region predicted to see the highest decline in revenue was Europe, decreasing from 211.97 billion U.S. dollars in 2019 to roughly 124 billion U.S. dollars in 2020.
The downturn in tourism has caused the recession, and the weakening of the economy has also affected the market demand for concrete foaming agent. Recently, however, the demand for concrete foaming agent has increased, so contact us for the latest news on concrete foaming agent.