Chemical Resistance Chart

302 Stainless Steel 304 Stainless Steel 316 Stainless Steel 440 Stainless Steel Aluminum TITANIUM NICKEL ALLOY C276 Cast Bronze Brass Cast Iron Carbon Steel POLYVINYLIDENE FLOURIDE (PVDF) PVC (Type 1) Tygon (E-3606) PTFE Polyphenylene Oxide (Modified PPO) Polyacetal Nylon Thermoplasic (ABS) Polyethylene POLYPROPYLENE POLYPHENYLENE SULFIDE (PPS) CARBON CERAMIC CERAMAGNET "A" FLUOROELASTOMER (FKM) NITRILE Silicon Neoprene Ethylene Propylene (EPM) Rubber (Natural) Epoxy
Potassium Carbonate
B A A C A A C B B A A B A A B A B A A A A A A B A B A
Potassium Chlorate
B A A A B A B B B B A A B A A B D B A A A A A A A B A
Potassium Chloride
C A A B B A A C C B B A A A A A A B C B A A A A A A A A A A
Potassium Chromate
B B A B A A A A C B A A D A A A B C
Potassium Cyanide Solutions
B A B A D A A D B B A A A A C A B A A C A B A A A A A
Potassium Dichromate
B A A A A A B C B C A A A A C D B A A A A B A A A A A
Potassium Ferrocyanide
B A A C B A C A A A A D A A
Potassium Hydroxide (50%)
A B B B D C A D D C A D A B A A D A C B A A D A D B C A A C A
Potassium Nitrate
B A B A B A B B B A A C A A B C B A C A A B A A A A A
Potassium Permanganate
B A B B B B B B B B A A A A C D C B B A A A B A A B B
Potassium Sulfate
B A B B A A A B B B B A A A A A B C B A A A A A A C A A C A
Potassium Sulfide
A A A B B B B B A A A
Propane (Liquified)
1 2
A A A A A A B D A D A A D A A A A D B D D A
Propylene Glycol
B B A A B B B A B B B B A A A A C A
Pyridine
C B B B A D D A D D C B A A A D D D B D A
Pyrogallic Acid
B A A A B A B B B A A D A A A A A A
Rosins
A A A A A B A C C A B A A A A A A
Rum
A A A A A A A A A A A A A
Rust Inhibitors
A A A A A A A A A A C A
Salad Dressing
A A B B D A A A A A A A A A A
Sea Water
A A C A C A C D A A A A A B A A A A A A B B A A A
Shellac (Bleached)
A A A A A B B A A A A A A A A
Shellac (Orange)
A A A A A C C A A A A A A A A
Silicone
B A B A A A A A A A A A B A A A A
Silver Bromide
C C B D A C A A
Silver Nitrate
B A B A D A A D D D A A B A A C A B A A A A C A C A A
Soap Solutions
1
A A A A C A B B B A B B A A A A B A A A A A A A B B C A
Soda Ash (See Sodium Carbonate)
Sodium Acetate
B A A B B A B C C A A A A B A B A A A D D C A A
Sodium Aluminate
B A C B B B C A A B A A A A A A A A B A
Sodium Bicarbonate
B A A A A A B A C C A A B A A B A B B A A A A A A A C A A A A
Sodium Bisulfate
A A A D B B C C D D A A B A A B C C B A A A A B A C A A A
Sodium Bisulfite
A A A A B C D A A B A A B D B B A A A A A A C A A A
Sodium Borate
B A A C A A C C C A A A A B A
Sodium Carbonate
B A B B C A A B B B B A A B A A A A C B A A B A A A A A A A
Sodium Chlorate
B A A B A B B C A A B A A D A B A A A A A D A A A
Sodium Chloride
B A C B C A A B C B C A A B A A A A B B A A A A A A A C A A B A
Sodium Chromate
A A A D B B B B A A D A A A A B B A A C
Sodium Cyanide
B A A D A D D B B A A A A D C B A A A A A A D A A A A
Sodium Fluoride
B C C C A A C D D D D A A C B D D D A
Sodium Hydrosulfite
A A C C A A A A A A A
Sodium Hydroxide/Caustic Soda (20%)
A A A D A A C D A A A B A A D C C B A A C D A A A D B A A A
Sodium Hydroxide/Caustic Soda (50%)
A B D A A C D B D A B A A D C C C A B C D A D D D C A A
Sodium Hydroxide/Caustic Soda (80%)
A D D A B C D C A B A A D C C C A B C D A B D D C B A
A — No effect — Excellent 1. P.V.C. — Satisfactory to 72 °F
B — Minor effect — Good 2. Polypropylene — Satisfactory to 72 °F
C — Moderate effect — Fair 3. Polypropylene — Satisfactory to 120 °F
D — Severe effect — Not recommended 4. Nitrile — Satisfactory for "O" Rings
5. Polyacetal — Satisfactory to 72 °F
6. Ceramag — Satisfactory to 72 °F
10