Insulation

Polyvinyl chloride

Polyvinyl chloride What is Polyvinyl Chloride (PVC), and What is it Used For? Polyvinyl Chloride (PVC) is one of the most commonly used thermoplastic polymers in the world (next to only a few more widely used plastics like PET and PP). It is a naturally white and very brittle (prior to the additions of plasticizers) plastic. PVC has been around longer than most … Read more

chlorofluorocarbons (CFCs)

Chlorofluorocarbons (CFCs) are a group of man-made chemicals that were once widely used in refrigerators, air conditioners, and aerosol cans. CFCs are very stable and do not break down easily in the atmosphere. When CFCs reach the upper atmosphere, they are broken down by ultraviolet radiation and release chlorine atoms. Chlorine atoms react with ozone … Read more