<Li> Stoddard solvent--flammable and explosive, 100 ° F / 38 ° C flash point </Li> <Li> CFC - 113 (Freon - 113), a CFC . Now banned as ozone unfriendly . </Li> <Li> Decamethylcyclopentasiloxane ("liquid silicone"), called D5 for short . It was popularized by GreenEarth Cleaning . It is more expensive than PCE . It degrades within days in the environment . </Li> <Li> Dibutoxymethane (SolvonK4) is a bipolar solvent that removes water - based stains and oil - based stains . </Li>

What do they do at the dry cleaners