Check the bottom of this chart for an explanation of the code

CHEMICAL

F
C
A
C*

Acetaldehyde

c

n

Acetate Solvents

n

c

Acetic Anhydride

c

c

Acetone,Dry

n

n

Acetyl Acetone

n

Acid, Acetic - hot or cold concentrated

n

n

c

Acid, Acetic - cold dilute

c

n

Acid, Acetic 10% Sodium Chloride

c

Acid, Acrylic

n

n

Acid, Alkyl-arylsuphonic

n

Acid, Chloroacetic( Ethyl Chloracetic)

n

Acid, Chlorosulfonic - cool <50%

c

Acid, Chromic

c

Acid, Hydrochloric concentrated and cold

n

n

Acid, Hydroxyacetic

n

Acid, Monochloric Acetic

n

Acid, Nitric (fuming) hot

c

Acid, Phenyl Acetic

n

Acid, Pyrogallic

n

Acid, Pyroligneous

n

Acid, Stearic (Octadecandic Acid)

c

Acid, Sulfonic 140°F dilute

c

Acid, Terephthalic

c

Aerozene 50 (50% hydrazine, 50% UDMH)

c

c

Acetyl Acetone

n

Acetylene

n

n

Acrylonitrile

c

Aldehyde

c

Alkly Amine

n

n

Alkyl-arylsulphonics

n

Alkyl Acetone

c

Alkyl Benzene

n

Alkyl Chloride

n

n

n

Alkylate, Light

n

Aluminum Hydroxide

c

Amines, Mixed (EG:Allyl, Ethyl, Etc.)

c

Amine. N-Butyl

c

Aminobenzoic Acid

n

n

Aminopyridine

n

n

Ammonia Gas, dry

c

Ammonium Bicarbonate (Aqueous)

n

Ammonium Carbonate

n

Ammonium Chloride (Sal Ammonia)

n

Ammonia, Anhydrous Liquid

c

Ammonia + Lithium metal solution

c

n

n

Ammonium Hydroxide (concentrated)

n

n

Ammonium Nitrate (Mono, Di & Tri Basic)

n

Ammonium Phosphate

n

n

Ammonium Thiocyanate

c

Amyl Acetate

n

Amyl Nitrate

n

Anti Freeze ( Water,Alchol or Glycol)

c

Antimony Trioxide

n

n

Arochlor 1248

n

Aqua Regia

c

n

Barium Hydroxide

c

Benzaldehyde

n

c

c

c

Benzene (Coal Tar Product) (Benzol)

n

n

Benzene?Methanol 30/70 or 50/50

c

Benzene Sulfon ic Acid

n

n

Benzine (Petroleum Product)

c

n

Benzol

n

Benzol Chloride

n

n

Benzyl Alchol

n

n

Benzyl Benzoate

n

n

Black Liquor

n

n

Bleach Soluions

n

n

Blood

c

Borax Solutions

n

n

Bordeaux Mixture

n

n

Brine

n

n

Brine, Chloride

c

Bromine Anhydrous

n

n

Bromine, Wet

c

Bromine Pentafluoride

n

c

Bromine Trifluoride

n

c

Bromo Methane

c

Bunker C Fuel Oil

n

n

Butadiene

n

Butyl Acetate

n

n

Butyl Amine

c

Butyl Phthalate

n

Butyraldehyde

n

n

Caproic Acid

c

Carbon Bisulphide

n

Carbon Dioxide (Dry or wet)

c

Carbon Tetrachloride (Anhydrous) >10%

n

n

Cadmium Cyanide

n

n

Calcine Liquors

n

Calcium Arsenate

n

n

Calcium Hydroxide

c

Camphor

n

n

Cane Sugar Liquors

n

n

Caprolactam

n

n

Carbon Bisulfide

n

n

Carbon Tetrachloride

c

c

Caustic Cyanogen

n

Chlorine (Dry or wet)

n

n

c

Chlorine Dioxide

n

c

Chlorine Trifluoride

n

c

Chloroacetone

n

Chloroaniline

n

n

Chlorobenzene

c

Chloroform

n

n

Chlorohydrin

n

n

Chloropicrin

c

Chlorosulfonic Acid

c

Chromium Potassium Sulphate (Aqueous) 10%

c

Coal Tar

n

n

Coppper Acetate (Blue Verdigris)

n

Copper Ammonium Acetate (Aqueous) CAA

n

Coppper Cyanide

c

Creosote (coal tar)

n

n

Cresol (Methol Phenol)

n

n

Cupric Sulphate (Aqueous)

c

Cupros Ammonia Acetate (Aqueous)

n

Cyanide (Aqueous)

n

Cyanogen in water

n

Cyanogen Chloride

n

n

Cyclohexane

c

Cyclohexanone

c

c

c

Cyclohexene (Tetrahydrobenzene)

n

Cycloxexanone

c

F = Fluoraz
C = Chemraz
A = Aflas
C* = White Chemraz

n = Not suitable for either a dynamic or static O-ring. In some cases it was given this rating if field experience proved the published information was not correct.
c = Caution. It could be suitable for static service but not dynamic applications.

Link to super rubber compounds 10-6

For information about my CD with over 600 Seal & Pump Subjects explained, click here  

 Link to Mc Nally home page www.mcnallyinstitute.com