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Chemicals – S

O-Ring Fluid Compatibility Guide – S’s

(for reference only)

1 = Recommended  2 = Probably Satisfactory  3 = Marginal  4 = Not Recommended

Chemical/Media
Perfluoro-
elastomer
Viton®
ETP
Aflas®
TFE/P
Viton®
FKM
EPDM
P.C.
Buna-N
NBR
Silicone
Fluoro-
silicone
Saccharin
Solution
1
Sal
Ammoniac
11111121
Salicylic
Acid
1111121
Salt
Water
11121111
SANTOSAFE
300
11113411
Sebacic
Acid
1
sec-Butyl
Alcohol (SBA)
1
Selenic
Acid
1
Selenous
Acid
1
Sewage12121111
SHELL
TELLUS 27 (Petro Base)
11114141
SHELL
UMF (5% Aromatic)
11114141
Shellac1
Silane1
Silicate
Esters
11114241
Silicon
Tetrachloride
2
Silicon
Tetrafluoride
2
Silicone
Oils
11111131
Silver
Bromide
1
Silver
Chloride
1
Silver
Cyanide
1
Silver
Nitrate
11111211
Silver
Oxide
1
Silver
Sulfate
1
SINCLAIR
OPALINE CX-EP LUBE
11114142
SKYDROL
500
14141433
SKYDROL
7000
12121433
Soap
Solutions
11121111
SOCONY
PD959B VACUUM
11114141
Soda
Ash
11111111
Sodium
Abietate
1
Sodium
Acetate
14241244
Sodium
Aluminate
1
Sodium
Antimonate
1
Sodium
Arsenate
1
Sodium
Arsenite
1
Sodium
Benzoate
1
Sodium
Bicarbonate
11111111
Sodium
Bifluoride
1
Sodium
Bisulfate
11111111
Sodium
Bisulfite
11111111
Sodium
Bitartrate
1
Sodium
Borate
11111111
Sodium
Bromate
1
Sodium
Bromide
1
Sodium
Chlorate
1
Sodium
Chloride
11111111
Sodium
Chlorite
1
Sodium
Chloroacetate
1
Sodium
Chromate
1
Sodium
Citrate
1
Sodium
Cyanate
1
Sodium
Cyanide
12121111
Sodium
Diacetate
1
Sodium
Dichromate
1
Sodium
Ethylate
1
Sodium
Ferricyanide
1
Sodium
Ferrocyanide
1
Sodium
Fluoride
1
Sodium
Fluorosilicate
1
Sodium
Glutamate
1
Sodium
Hydride
1
Sodium
Hydrosulfide
1
Sodium
Hydroxide
12131222
Sodium
Hypochlorite
11112222
Sodium
Hypophosphite
1
Sodium
Iodide
1
Sodium
Lactate
1
Sodium
Metaphosphate
1111111
Sodium
Metasilicate
1
Sodium
Methylate
1
Sodium
Nitrate
1111124
Sodium
Oleate
1
Sodium
Orthosilicate
1
Sodium
Oxalate
1
Sodium
Perborate
11111221
Sodium
Percarbonate
1
Sodium
Perchlorate
1
Sodium
Peroxide
11111241
Sodium
Persulfate
1
Sodium
Phenate
1
Sodium
Phosphate, Dibasic
1111114
Sodium
Plumbite
1
Sodium
Pyrophosphate
1
Sodium
Salicylate
1
Sodium
Salts
11111111
Sodium
Sesquisilicate
1
Sodium
Silicate
111111
Sodium
Stannate
1
Sodium
Stearate
Sodium
Sulfate Decahydrate
1111241
Sodium
Sulfate, Anhydrous
1111111
Sodium
Sulfide
1
Sodium
Sulfite
11111111
Sodium
Tartrate
1
Sodium
Tetrasulfide
1
Sodium
Thiocyanate
1
Sodium
Thiosulfate
1111211
Sodium
Trichloroacetate
1
Sodium
Tripolyphosphate
121214
Sodium,
Molten
4
SOLVASOL
1, 2 & 3
114141
Sorbitol1
Sour
Crude Oil
1114344
Sour
Natural Gas
1114344
Soybean
Oil
11113111
SR6
FUEL
11114241
Standard
Clean 1 (SC – 1)
1
Standard
Clean 2 (SC – 2)
144
Stannic
Chloride
11111121
Stannous
Bromide
1
Stannous
Chloride
11111121
Stannous
Fluoride
1
Stannous
Sulfate
1
STAUFFER
7700
11314242
Steam
< 149 C/300 F
12221434
Steam
> 149 C/300 F
23344444
Stearic
Acid
1212222
Stoddard
Solvent (ASTM D-484-52)
11214141
Strontium
Acetate
1
Strontium
Carbonate
1
Strontium
Chloride
1
Strontium
Hydroxide
1
Strontium
Nitrate
1
Styrene,
Monomer
11414443
Succinaldehyde1
Succinic
Acid
1
Sucrose
Solution
1111111
Sulfamic
Acid
1
Sulfanilic
Acid
1
Sulfite
Liquors
1112242
Sulfolane121212
Sulfur
Chloride
11114431
Sulfur
Dioxide
12231422
Sulfur
Hexafluoride
23331222
Sulfur
Tetrafluoride
2
Sulfur
Trioxide, Dry
11212422
Sulfur,
Molten
11113431
Sulfuric
Acid (20% Oleum)
1111211
Sulfuric
Acid (96%)
11414444
Sulfurous
Acid
1113224
SUNOCO
SAE 10
11114141
SUPERSHELL
Gasoline
11314142
SWANFINCH
EP Lubricant
11214141
sym-Diphenylethane1