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Chemicals – H

O-Ring Fluid Compatibility Guide – H’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
HALOTHANE
(Bromochlorotrifluoroethane)
21114442
HALOWAX
OIL
21114441
Heavy
Water
11121111
HEF-2
(Trialkyl Pentaborane)
11114242
Helium11111111
Heptachlor1
Heptanal1
Heptanoic
Acid
1
Hexachloroacetone144414
Hexachlorobutadiene1
Hexachloroethane1
Hexaethyl
Tetraphosphate (HETP)
1
Hexafluoroethane
(FC 116)
22211
Hexamethyldisilizane
(HMDS)
1
Hexamethylenediamine2
Hexamethylenetetramine2
Hexyl
Acetate
1
Hexyl
Alcohol
1113122
Hexylene
Glycol
1
Hexylresorcinol1
High
Viscosity Lubricant H2
11111112
High
Viscosity Lubricant U4
11111112
Hydraulic
Oils (Petroleum, Aircraft)
11114121
Hydraulic
Oils (Synthetic Base)
1
Hydrazine24141234
Hydrazine
Dihydrochloride
1
Hydrazine
Hydrate
1
Hydriodic
Acid
1
Hydrobromic
Acid
11111443
Hydrochloric
Acid (37%) (Hot)
11113432
Hydrochloric
Acid, Conc.
1112243
Hydrocyanic
Acid
11111232
Hydrofluoric
Acid (49%)
1114444
Hydrofluoric
Acid, Anhydrous
1113444
Hydrofluoric
Acid, Conc. (Hot)
1334444
Hydrofluosilicic
Acid
11111244
Hydrogen1111133
Hydrogen
Bromide, Anhydrous
1
Hydrogen
Chloride, Anhydrous
111114
Hydrogen
Fluoride, Anhydrous
24424
Hydrogen
Iodide, Anhydrous
1
Hydrogen
Peroxide (36%)
11111222
Hydrogen
Selenide
1
Hydrogen
Sulfide
14141133
HYDROLUBE11111122
Hydroquinone23324322
Hydroxyacetic
Acid
1
Hydroxycitronellal1
Hydroxyethylenediamine1
Hydyne2441244
HYJET14241444
Hypochlorous
Acid
11124