What is organic silicon D4?

Global silicone network:

Organosilicon D4, namely octamethylcyclotetrasiloxane, is a transparent or milky white liquid. It is an industrial compound prepared from dimethyldichlorosilane through hydrolysis synthesis and other processes.

Organic silicon D4 is widely used in the fields of architecture, electronics, textiles, automobiles, personal care, mechanical processing, etc. In some cases, organic silicon D4 is also directly used.