Hydrofluoric Acid (40%)

17-4 PH (Stainless)A - Excellent
3% NI / IronD - Poor
ABS PlasticD - Poor
Acetal (Delrin ®)D - Poor
Alloy 20B - Good
AluminumD - Poor
Aluminum BronzeD - Poor
BrassD - Poor
BronzeD - Poor
Buna N (Nitrile)D - Poor
Carbon GraphiteA - Excellent
Carbon SteelD - Poor
Carpenter 20D - Poor
Cast IronD - Poor
Ceramic AI203N/A
Ceramic MagnetB - Good
ChemRaz® (FFKM)A - Excellent
CopperD - Poor
CPVCC¹ - Fair
Ductile IronD - Poor
EpoxyD - Poor
Ethylene Propylene (EPDM)D - Poor
Flourocarbon (FKM) Viton®D - Poor
GraphiteA - Excellent
Gray IronD - Poor
Hastelloy CB - Good
Hytrel® (TPE)D - Poor
Kalrez® (Perfluoroelastomer)A - Excellent
Kel-F® (PCTFE)B - Good
Kynar® (PVDF)A³ - Excellent
LDPEA¹ - Excellent
MonelB - Good
Natural RubberB¹ - Good
NeopreneD - Poor
NI Plated DuctileD - Poor
NORYL® (PPO)N/A
NylonN/A
Polycarbonate (PC)A² - Excellent
Polyetherether Ketone (PEEK)D - Poor
Polypropylene (PP)A³ - Excellent
Polysulfone (PSU)D - Poor
Polyurethane (PUR)A - Excellent
PPS (Ryton®)A - Excellent
PTFE (Teflon®)A - Excellent
PVCA¹ - Excellent
SiliconeD - Poor
Silicone BronzeD - Poor
Stainless Steel - 304D - Poor
Stainless Steel - 316D - Poor
Stainless Steel - 400D - Poor
Stellite®D - Poor
TitaniumD - Poor
Tygon®C - Fair