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

CHEMICAL
F
C
A
C*

Radiation

c

c

Raffinate

c

Rescorcinol

n

n

Salt Water

c

Sea Water

c

Sewage

c

Shellac

n

Skydrol 55 B4

c

Slop Distillers

c

Soap Solutions

c

Sodium Acetate (Anhydrous)

c

Sodium Chlorite (10%)

c

Sodium Cyanide (Aqueous)

n

Sodium Hydroxide

n

Sodium Metasilicate

c

Sodium Nitrate

c

Solvasol 1,2,3,73 or 74

n

Stauffer 7700

c

Steam over or under 150°

n

n

Strontium Nitrate (Aqueous)

n

Styrene

n

n

Sulfur Chloride (Aqueous) cold

n

Sulfur Hexafluoride

c

c

Sulfur, Molten

c

Sulpholiginis Salts, dilute

c

Sulfuric Acid Fuming

c

n

n

Sulphuric Chlorohydrin

c

Tetrachloro Ethane

n

Tetrachloro Ethylene

n

Tetra Ethyl Lead

n

Tetrahydrofuran

n

Titanium Tetrachloride

n

c

c

Toluene

n

n

Toysl Arginine Methyl Ester

n

n

Toxaphene

c

Trichloro Benzene

n

c

Trichloro Ethane (dry or wet)

n

Trichloro Ethylene (dry or wet)

n

n

Trichloro Nitromethane

n

Trichlorotrifluoroethane

n

Triethanolamine

c

c

Tri-Fluoro-Vinyl-Chloride

n

Turpentine

n

UDMH

c

c

Unsymerical Dimethyl Hydrazine

c

c

Urea, Anhydrous or wet (Carbamide) 100%

c

Urine

c

Varnish, Aromatic

c

Vinyl Acetate

n

Vinyl Pyridine

n

Water

c

Whiskey and Wines

c

White Liquor

c

n

Xylene (Dimethylbenzene)

n

n

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