Pumpbiz

Chemical Resistance Chart


Reproduced with permission of Little Giant Pump Company

Click here to skip down to the chart legend, explanation and warnings


  302 Stainless Steel 304 Stainless Steel 316 Stainless Steel 440 Stainless Steel Aluminum Titanium Hastelloy C Cast Bronze Brass Cast Iron Carbon Steel Kynar PCV (Type 1) Tygon (E-3606) Teflon Noryl Polyacetal Nylon Cycolac (ABS) Polyethylene Polypropylene Ryton Carbon Ceramic Ceramagnet "A" Viton Buna N (Nitrile) Silicon Neoprene Ethylene Propylene (EPM) Rubber (Natural) Epoxy
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
Sodium Hypochlorite/Bleach3 (to 20%)   C C C C A A D D D     A B A A D A   B C C D A B A C D D B C B
Sodium Hypochlorite/Bleach D   D   D A A D   D D A A   A A   A     C C   D   B B C A     A
Sodium Hyposulfate   A A   D     D             A                           C   C C
Sodium Metaphosphate2 A   A   A     C C B B       A   B A     D   A A   A A   B A A A
Sodium Metasilicate A   A   B     B   C C       A   D           A     A A D A     A
Sodium Nitrate B A A A A A B B C A B A A B A A B A   B A   A A A D C D B A C A
Sodium Perborate B   C   B     C C B B       A A B A     A   A A   A B D B A C A
Sodium Peroxide B A A   C   B C C D C   A   A   D D         A A   A C D B A C A
Sodium Polyphosphate (Mono, Di, Tribasic)   A A   D A A C             A A B           A A   A A   D A A A
Sodium Silicate B A B A C A B C C   B   A B A A C A     A   A A   A A   A A A A
  302 Stainless Steel 304 Stainless Steel 316 Stainless Steel 440 Stainless Steel Aluminum Titanium Hastelloy C Cast Bronze Brass Cast Iron Carbon Steel Kynar PCV (Type 1) Tygon (E-3606) Teflon Noryl Polyacetal Nylon Cycolac (ABS) Polyethylene Polypropylene Ryton Carbon Ceramic Ceramagnet "A" Viton Buna N (Nitrile) Silicon Neoprene Ethylene Propylene (EPM) Rubber (Natural) Epoxy
Sodium Sulfate B A A C B A B B B A B   A   A A B A   B A A A A   A A   A A C A
Sodium Sulfide B A B   D A B D D A B   A B A A B A   B A A A A   A C   A A C A
Sodium Sulfite   C C   C A A C   A     A A A     D   A     A A   A A   A   A A
Sodium Tetraborate     A                   A     A B           A A   A A         A
Sodium Thiosulphate ("Hypo") A A A   B A   D D C B   A   A A C A     A A A A   A B   A A C A
Sorghum   A A             A             A A         A A   A A   A     A
Soy Sauce   A A   A     A   D           A A A         A A   A A   A   D A
Stannic Chloride D D D   D A B D   D D A A   A A C A   B A     A   A A D A A A A
Stannic Fluoborate     A             D           A C             A   A A   A     A
Stannous Chloride D D C   D A A D   D D   A A A     D   A           B C D D   A A
Starch B A A   A     B   C C   A   A A A A   B     A A   A A   A     A
Stearic Acid2 B A A A B A A C C C C A A B A A A A   B D   A A A A B D B B C A
Stoddard Solvent A A A A A A A A A B B A A D A D A A B D D A A A   A B D D D D A
Styrene A A A   A     A     A       A A A           A A   B D D D D D A
Sugar (Liquids) A A A A A   A A   B B       A A A A B   A   A A A A A   B   A A
Sulfate Liquors   C C   B   A C                 D       A   A A         C     A
Sulfur Chloride   D D D D     C D       A C A A D A   A D   A C   A D   D D D C
Sulfur Dioxide2   A A C A A B B       B D B A D B D D C D A A A   D D C B A D A
Sulfur Dioxide (dry) A A A   A   A A C A B   D   A     A   D     A A   D     D   D D
Sulfur Trioxide (dry) A A C   A     B   B B   A B A D D D         B A   A D   D B C A

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CHEMICAL RESISTANCE DATA

These recommendations are based upon information from material suppliers and careful examination of available published information and are believed to be accurate. However, since the resistance of metals, plastics and elastomers can be affected by concentration, temperature, presence of other chemicals and other factors, this information should be considered as a general guide rather than an unqualified guarantee. Ultimately, the customer must determine the suitability of the pump used in various solutions. Before permanent installation, test the equipment with the chemicals and under the specific conditions of your application. Ratings of chemical behavior listed in this chart apply at a 48-hr exposure period.

PumpBiz does not warrant (neither express nor implied) that the information in this chart is accurate or complete or that any material is suitable for any purpose.

All recommendations assume ambient temperatures unless otherwise noted.

Ratings - Chemical Effect
A - No effect-Excellent
B - Minor effect-Good
C - Moderate effect-Fair
D - Severe effect-Not recommended

Footnotes
1. P.V.C. - Satisfactory to 72° F.
2. Polypropylene - Satisfactory to 72° F.
3. Polypropylene - Satisfactory to 120° F.
4. Buna-N - Satisfactory for "O" Rings
5. Polyacetal - Satisfactory to 72° F.
6. Ceramag - Satisfactory to 72° F.

The ratings for these materials are based upon the chemical resistance only. Added consideration must be given to pump selections when the chemical is abrasive, viscous in nature, or has a Specific Gravity greater than 1.1.


DANGER
Variations in chemical behavior during handling due to factors such as temperature, pressure, and concentrations can cause equipment to fail, even though it passed an initial test.


SERIOUS INJURY MAY RESULT.
Use suitable guards and/or personal protections when handling chemicals.

 
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