According to the degree of their inhibition of microbial growth, antibacterial agents are divided into sterilization agent, disinfectant and antibacterial agent.

Disinfection with alcohol is common sense. What is strange is that the alcohol used in medical treatment is alcohol with a concentration of 75%, but pure alcohol cannot sterilize. What is the reason for this?

Among the concepts of antiseptic and disinfection that we usually come into contact with, the three "agents" of preservatives, fungicides, and disinfectants are the most common, and they are also widely used in the food industry. So what is the difference between them? We only need to carefully understand their respective definitions, and we will soon understand.

GB/T 26367-2010 Hygienic Standard for Guanidine Disinfectants This standard is applicable to disinfectants that use chlorhexidine acetate, chlorhexidine gluconate or polyhexamethylene biguanide as the bactericidal ingredients, and ethanol and/or water as the solvent;