Sulfurous Acid (Sat’d.)

17-4 PH (Stainless)A - Excellent
3% NI / IronD - Poor
ABS PlasticD - Poor
Acetal (Delrin ®)N/A
Alloy 20A - Excellent
AluminumN/A
Aluminum BronzeD - Poor
BrassD - Poor
BronzeD - Poor
Buna N (Nitrile)N/A
Carbon GraphiteD - Poor
Carbon SteelD - Poor
Carpenter 20D - Poor
Cast IronN/A
Ceramic AI203N/A
Ceramic MagnetN/A
ChemRaz® (FFKM)N/A
CopperD - Poor
CPVCA³ - Excellent
Ductile IronD - Poor
EpoxyN/A
Ethylene Propylene (EPDM)A¹ - Excellent
Flourocarbon (FKM) Viton®A¹ - Excellent
GraphiteA - Excellent
Gray IronD - Poor
Hastelloy CA - Excellent
Hytrel® (TPE)N/A
Kalrez® (Perfluoroelastomer)N/A
Kel-F® (PCTFE)N/A
Kynar® (PVDF)A³ - Excellent
LDPEA - Excellent
MonelA - Excellent
Natural RubberN/A
NeopreneD - Poor
NI Plated DuctileD - Poor
NORYL® (PPO)N/A
NylonN/A
Polycarbonate (PC)N/A
Polyetherether Ketone (PEEK)A³ - Excellent
Polypropylene (PP)A³ - Excellent
Polysulfone (PSU)N/A
Polyurethane (PUR)N/A
PPS (Ryton®)N/A
PTFE (Teflon®)A³ - Excellent
PVCA³ - Excellent
SiliconeN/A
Silicone BronzeD - Poor
Stainless Steel - 304N/A
Stainless Steel - 316A - Excellent
Stainless Steel - 400B - Good
Stellite®D - Poor
TitaniumA - Excellent
Tygon®D - Poor