Acid resistance Alkaline resistance Thermal resistance Breakage resistance Usage Against Stainless steel fairly good good high very high individually Processable - Hastelloy good good high very high individually Processable - Special corrosion resistant alloy fairly-good good high very high individually Processable - Porcelain very good moderate good moderate good heat transfer - PP good very good up to 90°C high - - PTFE, pure white very good very good low low clean room Application low surface power density PTFE-Compound very good very good low low highest chemical Resistance low surface power density PVDF very good moderate up to 140°C high - - Quartz glass very good moderate good low thermoshock Resistant thermal radiation Steel poor moderate high very high Individually Processable Rusts Technical glass very good moderate low low - liable to break Teflon ® FEP very good very good low low highest chemical Resistance low surface power density Teflon ® PFA very good very good low low highest chemical Resistance low surface power density Titan good good high very high individually processable -