... excellent thermal performance, short-term resistant to 260 °C, and can be in 200 ~ 240 °C long-term use, ... ,; PPS for most acid, ester, ketones, aldehyde, phenol and fat hydrocarbon, aromatic hydrocarbons, chlorinated hydrocarbon stable, not chlorinated ... strong sulfuric acid, nitric acid, wang, s., hydrogen peroxide and sodium hypochlorite, etc. PPS resistance to the radioactive.. 2.Stainless steel ...