Tetrahydrofuran (THF) is a colorless, water-miscible, low-viscosity organic liquid at room temperature and pressure. The chemical formula of this cyclic ether can be written as (CH2)4O. Because of its long liquid range, it is a commonly used medium-polar aprotic solvent. Its main use is as a precursor for high molecular polymers.
Propylene glycol can be divided into industrial grade and food grade according to its use. The main application proportions are: manufacturing of unsaturated polyester resin accounts for 27%; food, cosmetics, etc. account for 20%; functional fluids account for 20%; liquid detergents account for 17%; paints and coatings account for 5%; tobacco moisturizers account for 2% ;Other uses account for 9%.
According to the performance and function of the agent, current water treatment agents are mainly divided into: flocculants, corrosion inhibitors, scale inhibitors, bactericides, oxygen scavengers, sludge dispersants, sludge dewatering agents, demulsifiers, slime treatment agents, etc. .
The transportation of chemical raw materials is a high-risk process, so it is necessary to pay attention to the following aspects during transportation:
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