Potassium Chromate
17-4 PH (Stainless)A - Excellent
3% NI / IronN/A
ABS PlasticN/A
Acetal (Delrin ®)C - Fair
Alloy 20A - Excellent
AluminumB¹ - Good
Aluminum BronzeB - Good
BrassN/A
BronzeA - Excellent
Buna N (Nitrile)A³ - Excellent
Carbon GraphiteA - Excellent
Carbon SteelB - Good
Carpenter 20B - Good
Cast IronA - Excellent
Ceramic AI203B - Good
Ceramic MagnetN/A
ChemRaz® (FFKM)A - Excellent
CopperN/A
CPVCA - Excellent
Ductile IronB - Good
EpoxyC - Fair
Ethylene Propylene (EPDM)A³ - Excellent
Flourocarbon (FKM) Viton®A³ - Excellent
GraphiteD - Poor
Gray IronB - Good
Hastelloy CA - Excellent
Hytrel® (TPE)N/A
Kalrez® (Perfluoroelastomer)A - Excellent
Kel-F® (PCTFE)N/A
Kynar® (PVDF)A³ - Excellent
LDPEA - Excellent
MonelA - Excellent
Natural RubberB - Good
NeopreneA¹ - Excellent
NI Plated DuctileB - Good
NORYL® (PPO)A² - Excellent
NylonC¹ - Fair
Polycarbonate (PC)D - Poor
Polyetherether Ketone (PEEK)N/A
Polypropylene (PP)A - Excellent
Polysulfone (PSU)B - Good
Polyurethane (PUR)N/A
PPS (Ryton®)N/A
PTFE (Teflon®)A¹ - Excellent
PVCA³ - Excellent
SiliconeN/A
Silicone BronzeA - Excellent
Stainless Steel - 304B¹ - Good
Stainless Steel - 316A - Excellent
Stainless Steel - 400N/A
Stellite®N/A
TitaniumN/A
Tygon®B - Good