In Povidone S630 What does S630 means?

In Povidone S630, the "S630" designation refers to the specific molecular weight and viscosity grade of the povidone polymer. Povidone, also known as polyvinylpyrrolidone (PVP), is available in various grades, and the "S" typically denotes a specific type or series of the polymer. The number "630" indicates a particular average molecular weight, which affects its solubility and performance in formulations. This grade is commonly used in pharmaceutical and cosmetic applications for its binding and stabilizing properties.