Polyethylenimine(PEI) is a water-soluble polymer. The concentration in water of commercial products is usually 20% to 50%. PEI is polymerized from ethylene imide monomer. It is a cationic polymer t...
July is the peak of summer, and during hot and humid summers, food can become a fertile medium for bacteria at any time. Especially fruits and vegetables, if newly purchased fruits and vegetables a...
With the development of modern science and technology and the improvement of people’s living standards, it seems that the requirements for cosmetic raw materials are getting higher and higher...
Every skin lightening product consists of a bunch of chemicals, most of which come from natural sources. While most active ingredients are effective, some of them may have some side effects. Theref...
Since the beginning of summer, temperatures in various regions have been continuously increasing. We all know that fruits and vegetables are more prone to spoilage as the temperature increases. Thi...
Affected by the COVID-19 pandemic, 2020 was a challenging year for many companies, especially for chemicals lines.
Of course, for Unilong Industry, also met a difficult situation as so many Europe ...
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