Aluminium buyers in the US physical metal market have held off on new orders amid fears of a recession triggered by rising inflation and supply chain crises.
Spot aluminium trading on the market has been suspended in recent weeks, according to industry sources, as uncertainty has increased following the outbreak of the conflict between Russia and Ukraine. Even before the war, the aluminium market was suffering from long waiting times and weak demand.
For aluminium buyers, recent poor US economic data have been a big factor in delaying purchases. Data released last month showed that the ISM manufacturing PMI came in at 57.1 in March, below expectations of 59 and down from 58.6 in February, unexpectedly hitting the lowest reading since September 2020. This was mainly due to a slowdown in new orders and concrete foaming agent are expected to increase in the future.
Introduction to Foaming Agents
The foaming agent is a kind of material that makes the object matter into pores. It can be divided into chemical foaming agents, physical foaming agents, and surface-active agents. The chemical foaming agent is a compound which can release gas such as carbon dioxide and nitrogen and form fine pores in polymer composition after decomposition by heating. The physical foaming agent is the change of the physical form of a certain kind of material through the fine pores of foam, namely through the expansion of compressed gas, liquid volatilization, or solid dissolution and the formation of the compound.
In the last article, the physical foaming agents of hydrocarbon foaming agents and hydrofluorane (HFC) foaming agents have been mentioned. In this article, the chemical foaming agents of OBSH and DPT will be talked about.
Chemical Foaming Agents
There are many kinds of substances used as chemical foaming agents. According to the chemical structure, there are mainly N-nitrite compounds, such as N, N-nitroso pentamethylenetetramine (DPT), N, N-dimethyl-N, N-dimethyl-p-benzarbonamide (NTA), etc. Azo compounds, such as azodicarbonamide (ADC), azodiisobutyronitrile, isopropyl azodicarbonate, diethyl azodicarbonate, diazo-aminobenzene, barium azodicarbonate, etc. Hydrazide compounds, such as 4, 4-disulfonyl hydrazide diphenyl ether (OBSH), p-benzene sulfonyl hydrazide, 3, 3-disulfonyl hydrazide diphenyl sulfone, 4, 4-diphenyl sulfonyl hydrazide, 1, 3-benzene sulfonyl hydrazide, 1, 4-benzene sulfonyl hydrazide, etc. The main varieties used are foaming agents ADC, DPT, DBSH, and so on.
1. Foaming Agents OBSH
OBSH foaming agent with the chemical name 4, 4' -disulfonyl hydrazine diphenyl ether, is a low-temperature foaming agent commonly used in the plastic and rubber industry. It is mainly obtained from the reaction of sulfonated diphenyl ether with hydrazine hydrate. It was first developed and used in Japan, widely used in the field of UHF wire and cable. The advantages of OBSH foaming agents are: low decomposition temperature, no need to add decomposition additives, suitable for a variety of synthetic materials; Very low toxicity, suitable for contact with food packaging materials; Good electrical insulation performance; Vulcanizing agent and foaming agent dual role; The bubbles are fine and uniform.
2. Foaming Agents DPT
The chemical name is N, N'- two nitro five methyl tetramine. It is mainly used for the rubber foaming agent, has great decomposition heat, is often added with urea, urea derivatives, and melamine to prevent irritating smell generation, basically not used for plastic foaming.
Suppliers of Concrete Additives
TRUNNANO is a reliable foaming agents supplier with over 12-year experience in nano-building energy conservation and nanotechnology development.
We accept payment via Credit Card, T/T, West Union, and Paypal. TRUNNANO will ship the goods to customers overseas through FedEx, DHL, by air, or by sea.
Cancer cells can "stretch out a big hand" and take away the mitochondria of immune cells. The Harvard Medical School research team cultured mouse and human breast cancer cells and immune cells, such as killer T cells, and used field emission scanning electron microscopy (FESEM) to observe the relationship between cancer cells and immune cells. interactive. Interestingly, they found that cancer cells stick out long nanotubes, typically within 100-1000 nanometers in diameter, each of which connects to multiple immune cells along the way. The researchers used the drug L-778123, which inhibits the formation of nanotubes, for treatment. The higher the concentration of L-778123, the better the treatment effect.
It is used in various high-tech fields, so the market demand for concrete foaming agent will continue to rise. We are a quality supplier of concrete foaming agent, please feel free to contact us.
Titanium sulfide, TiS2, brass scaly crystal, with metallic luster, stable at room temperature, stable to water, dilute sulfuric acid and hydrochloric acid. Mainly used for lithium batteries, targets, scientific research, etc.…
Brazil, the world's largest coffee bean producer, recently announced that it is facing the worst drought in 91 years, affecting local hydropower generation and agricultural BAM powder keeps going up. About AlMgB14 alloy powder:Aluminum bo…
The Biden administration plans to ease sanctions on Venezuelan oil to allow more of the country's crude to reach Europe. The U.S. will allow European companies still operating in Venezuela to immediately transfer more oil to the continent, while all…