Chlorofluorocarbons (CFC’s) were used in the past to make foamed plastic. In response to concerns about the ozone layer, polystyrene manufacturers voluntarily phased out the use of CFC’s in the late 1980s.
Link to this article:What about CFCs used in plastics?
Reprint Statement: If there are no special instructions, all articles on this site are original. Please indicate the source for reprinting:Mold Wiki,Thanks!^^