Ultraviolet absorber (UV absorber) is a light stabilizer that can absorb the ultraviolet part of sunlight and fluorescent light sources without changing itself. Ultraviolet absorber is mostly white...
CPHI & PMEC China is the leading pharmaceutical event in Asia, bringing together suppliers and buyers from the entire pharmaceutical supply chain. Global pharmaceutical experts gathered in Shan...
Summer has arrived, and the most confusing thing for everyone is the preservation of food. How to ensure the freshness of food has become a hot topic nowadays. So how should we store fresh fruits a...
Many consumers see some cosmetics containing “polyglyceryl-4 oleate” this chemical, not clear about the efficacy and action of this substance, want to understand the product containing ...
October 1st is an important day in China, National Day, and the whole country celebrates this day every year. According to China’s statutory rest regulations, we will be on holiday from Octob...
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...