On September 24, the China Pesticide Industry Association will hold an "Eco-friendly Pesticide Emulsion Development Seminar" in Beijing. At this meeting, the China Pesticide Industry Association will extensively seek advice from the industry on the preparation of the "Industry Criteria for the Elimination of Harmful Solvents in Pesticide Emulsifiable Oils", indicate the development direction of China's EC, and guide the industry's health, science and sustainable development. The meeting was full of expectations.
Precast concrete magnet is configured with a big neodymium block magnet in to a steel house.the neodymium block magnet is very big of size which is very large.Magnet for precast concrete, is a magnetic tool to hold concrete formwork. There are two hex bolt and a round handle button on the top of the precast concrete magnet, the hex bolt is for fixed with adapter and handle button is for push to use.
How to use precast magnet box? People who use this magnet need to find some shuttering adapter to suit the precast magnet box onto the concrete framework, this framework could be made of plywood,wood, iron steel, aluminum... Then push the round handle button on the top, the block magnet in steel box will sink and contact and catch with iron steel part. After setting the magnet to the formwork,The concrete will be formed trimly just as the precast framework likes.
If someone want to remove the concrete magnet, he need to find a crowbar and pry up the round handle button and the block magnet will return to its position and not catch the iron steel.
Using the concrete formwork magnet is very convenient, construction workers could build a concrete formwork on a ground ,and fit two hex bolt with the adapter onto the the concrete formwork. There is another means of using the concrete formwork magnet,workers could hold the concrete formwork on a hydraulic platform,build and stock the concrete walls,and using forklift and crane to carry the walls while using them.
What are the advantages of using precast concrete magnet in modern architecture construction? By using the concrete magnet, the concrete could form very trimly of sizes for building constructions. By using the concrete magnet, the construction process could be much quicker as workers could stock concrete walls and use these concrete walls to build architecture. The repute of the construction company will be much better and customer will happy to pay the money for the timely construction works. By using the magnet for precast concrete, there will be less concrete works in dangerous high situations, worker could finish their work more safely and construction could save more insurance cost and give higher salary to the workers.
By using concrete formwork magnet,the workers could save more time while build constructions, after using concrete formwork magnet, there will be less risk or danger during the constructing process. In a word, the concrete formwork magnet could enhance the speed of build while inform more security,the workers could make more money from the construction and businessman could earn more money from their business.
The concrete formwork magnet is strong magnetism,please keep the electrical product and card away from it,also, while using the concrete formwork magnet do not put your hand or feet or any part of body under the magnet,it will cause injure.
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It is understood that EC is a traditional pesticide formulation in China and accounts for about 50% of the total pesticides. Currently, the annual production and use of EC formulations is approximately 1 million tons, and the solvents used are mainly xylene, toluene, benzene, etc. Light aromatic hydrocarbons consume about 300,000 tons of this type of solvent each year. In addition, polar solvents such as methanol and N,N-dimethylformamide also have a certain amount of use as auxiliary solvents. The light aromatic solvents and polar solvents represented by “triphenylâ€, such as methanol, N,N-dimethylformamide, and ethylbenzene and naphthalene, which are commonly used in solvents, pose great risks to production safety, human health, and ecological environment. . Some of them have definite carcinogenic teratogenic effects, which are potentially harmful to the health of pesticide producers and users; some are low flash point solvents, inflammable and explosive, and have poor production and transportation safety; while light aromatic solvents and methanol are volatile. Organic organic substances (VOCs) pollute the atmosphere after being sprayed at production sites and pesticides, while methanol, N,N-dimethylformamide and water are miscible and can easily contaminate water sources after use.
Li Zhengxian, vice chairman of the China Pesticide Industry Association, said that after the introduction of some policies on the reduction and substitution of emulsifiable concentrate by the relevant state departments, most enterprises are more anxious and confused, and there are also many policy support and technical demands. In accordance with the requirements of enterprises, China's pesticide industry The association decided to convene the conference, invited the leaders of relevant government departments and industry experts to explain the new policies for the development of pesticide EC products, new requirements for registration of pesticide EC products, and technological innovation and related tax incentives, etc., in order to accelerate the formulation of EC products. The replacement of harmful solvents, improve the processing technology of pesticide formulations.
People in the industry believe that EC plays an important role in the development of the pesticide industry. When the industry develops to the current level, when it is required to regulate, the “blocking†method of prohibition and production cuts cannot solve the problem of the development of EC. Therefore, This "sparse" approach through the development of industry standards can effectively solve this thorny problem.
Therefore, with reference to the practices of developed countries in Europe and the United States and Taiwan in China, combined with the actual situation in China, the classification and management of solvents in pesticide EC is studied. The limits for harmful solvents in pesticide EC are studied and formulated, and the use of solvents with severe hazards is eliminated or restricted. Necessary and urgent, this will improve the safety of pesticide production, transportation, and use of pesticides in China, reduce the risk of harm to humans, improve their environmental compatibility, raise the level of China's pesticide industry technical standards, and gradually align with international advanced standards. It is of great significance to overcome technical barriers in foreign trade and so on. At the same time, the formulation of this standard will play a significant role in promoting the technical development of pesticide formulations and the sustainable development of society. 
June 13, 2021