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Chemicals – T

O-Ring Fluid Compatibility Guide – T’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
Tallow 1
Tannic
Acid
1 1 1 1 1 1 2 1
Tar 1 1 1 1 4 2 2 1
Tartaric
Acid
1 1 1 1 2 1 1 1
TEOS
(Tetraethylorthosilicate)
1 1 1 1 1 4 1
Terephthalic
Acid
1
Terpineol 1 1 1 1 3 2 1
Terpinyl
Acetate
1
tert-Amyl
Methyl Ether (TAME)
1
tert-Butyl
Alcohol
1 1 1 1 2 2 2 2
tert-Butyl
Mercaptan
1 1 1 1 4 4 4
Tetrabromomethane 1 1 3 1 4 4 4 2
Tetrabutyl
Titanate
1 1 1 1 1 2 4 4
Tetrachloroethane 1 1 4 1 4 4 2
Tetrachloroethylene 1 1 4 1 4 2 4 2
Tetraethyl
Lead
1 1 3 1 4 2 2
Tetrafluoroethane
(FC 134a)
1
Tetrafluoromethane
(FC 14)
1 1 1 1 1 4
Tetrahydrofuran
(THF)
1 3 4 4 3 4 4 4
TETRALIN
(Tetrahydronaphthalene)
1 1 4 1 4 4 4 1
Tetramethyl
ammonium hydroxide (TMAH) (25%)
1
TEXACO
3450 GEAR OIL
1 1 1 1 4 1 4 1
TEXACO
UNI-TEMP GREASE
1 1 1 1 4 1 2 1
TEXAMATIC
3525 Fluid
1 1 1 1 4 1 4 2
THERMINOL
55
1 1 4 2 4
Thioglycolic
Acid
1
THIOKOL
TP-90B
1 1 1 1 1 4 2
THIOKOL
TP-95
1 1 1 1 1 4 2
Thionyl
Chloride
1 2 2 3 4
Thiophene 1
Thiophosphoryl
Chloride
1
Thiourea 1
Thorium
Nitrate
1
Tidewater
Oil, BEEDOL
1 1 1 1 4 1 2 1
Titanic
Acid
1
Titanium
Dioxide
1
Titanium
Sulfate
1
Titanium
Tetrachloride
2 1 2 1 4 2 4 2
TMA
(Trimethylamine)
2
TMAH
(Tetramethyl Ammonium Hydroxide)
1
TMAl
(Trimethylaluminum)
1
TMB
(Trimethyl Borate)
1
TMCTS
(Tetramethylcyclotetrasiloxane)
1
TMP
(Trimethyl Phosphite)
1
TMPO
(Trimethyl Phosphate)
1
Toluene 1 1 4 1 4 4 4 2
Toluene
Diisocyanate (TDI)
1 1 4 3 2 4 4 4
Toluenesulfonyl
p-Chloride
1
Toluquinone 1
Transformer
Oil
1 1 1 1 4 1 2 1
Transmission
Fluid Type A
1 1 1 1 4 1 2 1
Triacetin 1 4 4 4 1 2 4
Triallyl
Phosphate
1 1 1 1 1 4 3 2
Tributoxyethyl
Phosphate
1 1 1 1 1 4 2
Tributyl
Citrate
1
Tributyl
Mercaptan
1 1 1 4 4 4 3
Tributyl
Phosphate
1 4 2 4 1 4 4 4
Tributylamine 1
Trichloroacetic
Acid (TCA)
1 3 3 3 2 2 4
Trichloroacetyl
Chloride
1
Trichloroethylene
(TCE)
1 1 4 1 4 3 4 2
Trichlorofluoromethane
(FC 11)
2 2 4 2 4 2 4 2
Trichlorophenylsilane 1
Trichlorosilane 1
Trichlorotrifluoroethane
(FC 113)
2 2 4 2 4 2 4 4
Tricresyl
Phosphate
1 1 1 1 1 4 3 2
Triethanolamine
(TEA)
2 4 1 4 2 3 4
Triethyl
Borate
1
Triethyl
Phosphate
1
Triethylaluminum 1 2 3 3 4
Triethylamine 1
Triethylborane 1 1 1 3 4
Triethylene
Glycol (TEG)
1
Triethylenetetramine
(TETA)
1
Trifluoroacetic
Acid
2
Trifluoroethane
(FC 143a)
1 1 2 1 4 4 4 2
Trimethyl
Borate (TMB)
1
Trimethyl
Phosphate (TMPO)
1
Trimethyl
Phosphite (TMP)
1
Trimethylaluminum
(TMAl)
1
Trimethylamine
(TMA)
2
Trimethylolpropane 1
Trinitrotoluene
(TNT)
1 2 2 2 4 4 2
Trioctyl
Phosphate
1 2 1 2 2 4 3 2
Tritium 1
Tung
Oil (China Wood Oil)
1 1 1 1 4 1 4 2
Tungsten
Hexafluoride
1
Tungstic
Acid
1
Turbine
Oil No.15 (MIL L-7808A)
1 1 1 1 4 2 4 2
Turpentine 1 1 1 1 4 1 4 2