Pyrogallic Acid

17-4 PH (Stainless)A - Excellent
3% NI / IronN/A
ABS PlasticN/A
Acetal (Delrin ®)D - Poor
Alloy 20A - Excellent
AluminumB - Good
Aluminum BronzeN/A
BrassN/A
BronzeA - Excellent
Buna N (Nitrile)A¹ - Excellent
Carbon GraphiteA - Excellent
Carbon SteelB - Good
Carpenter 20B - Good
Cast IronD - Poor
Ceramic AI203N/A
Ceramic MagnetN/A
ChemRaz® (FFKM)A - Excellent
CopperB - Good
CPVCA - Excellent
Ductile IronA - Excellent
EpoxyA - Excellent
Ethylene Propylene (EPDM)B - Good
Flourocarbon (FKM) Viton®A - Excellent
GraphiteN/A
Gray IronA - Excellent
Hastelloy CB - Good
Hytrel® (TPE)N/A
Kalrez® (Perfluoroelastomer)A - Excellent
Kel-F® (PCTFE)A - Excellent
Kynar® (PVDF)A³ - Excellent
LDPEA - Excellent
MonelA - Excellent
Natural RubberN/A
NeopreneA¹ - Excellent
NI Plated DuctileA - Excellent
NORYL® (PPO)N/A
NylonA - Excellent
Polycarbonate (PC)N/A
Polyetherether Ketone (PEEK)N/A
Polypropylene (PP)A - Excellent
Polysulfone (PSU)D - Poor
Polyurethane (PUR)N/A
PPS (Ryton®)N/A
PTFE (Teflon®)A - Excellent
PVCA¹ - Excellent
SiliconeN/A
Silicone BronzeA - Excellent
Stainless Steel - 304B - Good
Stainless Steel - 316A - Excellent
Stainless Steel - 400A - Excellent
Stellite®A - Excellent
TitaniumA - Excellent
Tygon®A - Excellent