TR-19: Chemical Resistance of Thermoplastics Piping Materials

***May not be fully applicable to pressurized applications***Chemical(Formula)PhenolC 6 H 5 OHPlastics at Maximum Operating Temperature ( F)Concentration ABS CPVC PP PVC PE PB PVDF PEX PA 11 PK-- N 73 73 73 140 73 --- 140 N ---5% --- --- --- --- --- --- --- R to 248 --- ---50% --- --- --- --- --- --- R to 176 --- --- ---90% --- --- --- --- R to 140 --- --- R to 140 --- ---Solid --- --- --- --- --- --- C to 122 --- --- ---PhenylhydrazineC 6 H 5 NHNH 2-- --- N N N C to 120 --- R to 104 C to 120 --- ---Phenylhydrazine HydrochlorideC 6 H 5 NHNH 2·HCl 10% --- --- --- --- --- --- R to 140 --- --- ---PhosphinePH 3Gas --- --- --- --- --- --- R to 104 --- --- ---Phosphoric AcidH 3 PO 410% --- 180 212 140 140 140 --- 140 --- ---50% 73 180 212 140 140 73 R to 212 140 C to 104 ---75% --- --- --- --- --- --- R to 212 --- --- ---85% --- 180 212 140 73 --- C to 284 73 --- ---98% --- --- --- --- --- --- R to 212 --- --- ---Phosphoric AnhydrideP 2 O 5-- --- 73 73 73 --- --- --- --- --- ---Phosphorous (Red)Phosphorous (Yellow)-- --- --- --- 73 140 --- --- 140 --- ----- -- --- --- 73 140 --- --- 140 --- ---Phosphorus OxychloridePOCl 3Liquid --- --- --- --- --- --- R to 68 --- --- ---Phosphorus PentoxideP 2 O 5-- --- 73 73 73 140 --- --- 140 --- ---Phosphorus TrichloridePCl 3-- -- N 73 N 120 C to 73 C to 122 120 --- ---Photographic SolutionsPhthalic AcidC 6 H 4 (COOH) 2-- --- 180 140 140 140 140 --- 140 --- ----- --- --- 140 C to 140 140 --- --- 140 --- ---Susp. --- --- --- --- --- --- R to 212 --- --- ---***May not be fully applicable to pressurized applications***