Rubber Chemical Resistance Chart


Welcome to our Rubber Chemical Resistance Chart

Here is the rubber compatibility chart that rates all popular rubber materials that comes into contact with various chemicals. Use this rubber chemical resistance chart to make sure that the elastomer or O-ring seal you choose will be compatible with the particular environment. The chemical compatibility of rubber is extremely important as the rubber can degrade rapidly if the rubber material is not compatible with the environment or media that it comes into contact with.

LEGEND: 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

  Nitrile EPDM Neoprene SBR Silicone Butyl Polyacrylate Hypalon Viton Polyurethane Fluorosilicone Aflas Kalrez
Dow Guard 1 1 1 1 1 1 3 1 1 3 1 X 1
Dowanol P Mix X X X X X X X X X X X X 1
Dowtherm, 209 3 1 2 X 3 2 X X 4 X 3 X 1
Dowtherm, A 4 4 4 4 4 4 4 4 1 4 2 X 1
Dowtherm, E 4 4 4 4 4 4 4 4 1 4 2 X 1
Drinking Water 1 1 2 1 1 1 4 1 1 4 1 X 1
Dry Cleaning Fluids 3 4 4 4 4 4 4 4 1 4 2 X 1
DTE 20 Series, Mobil 2 4 1 X 4 4 2 2 1 1 2 2 1
DTE named series, Mobil, light-heavy 1 4 2 4 3 4 X 1 1 1 1 2 1
Elco 28-EP lubricant 1 4 3 4 2 4 1 4 1 1 1 X 1
Epichlorohydrin 4 2 4 4 4 2 4 4 4 4 4 X 1
Epoxy Resins X 1 1 X X 1 X X 4 X X X 1
Erucic Acid X X X X X X X X X X X X 1
Esam-6 Fluid X 1 2 1 X 2 X 2 4 X 4 X 1
Esso Fuel 208 1 4 2 4 4 4 1 3 1 4 1 X 1
Esso Golden Gasoline 2 4 4 4 4 4 4 4 1 4 1 X 1
Esso Motor Oil 1 4 3 4 4 4 1 4 1 4 1 X 1
Esso Transmission Fluid (Type A) 1 4 2 4 4 4 1 4 1 3 1 X 1
Esso WS2812 (MIL-L-7808A) 1 4 4 4 4 4 2 4 1 4 1 X 1
Esso XP90-EP Lubricant 1 4 2 4 4 4 1 2 1 1 1 X 1
Esstic 42, 43 1 4 2 4 4 4 1 4 1 2 1 X 1
Ethane 1 4 2 4 4 4 1 2 1 3 3 X 1
Ethanol 3 1 1 1 2 1 4 1 3 4 1 X 1
Ethanol Amine 2 1 2 2 2 2 4 3 4 3 4 X 1
Ethers 4 3 4 4 4 4 3 4 3 2 3 X 1
Ethoxyethyl Acetate (EGMEEA) 3 1 1 1 2 1 4 1 3 4 1 X 1
Ethyl Acetate-Organic Ester 4 2 4 4 2 2 4 4 4 4 4 X 1
Ethyl Acetoacetate 4 2 4 3 2 2 4 4 4 4 4 X 1
Ethyl Acrylate 4 2 4 4 2 2 4 4 4 4 4 X 1
Ethyl Alcohol 3 1 1 1 2 1 4 1 3 4 1 X 1
Ethyl Ammonium Dichloride X X X X X X X X X X X X 1
Ethyl Benzene 4 4 4 4 4 4 4 4 1 4 1 X 1
Ethyl Benzoate 4 4 4 4 4 4 4 4 1 4 1 X 1
Ethyl Bromide 2 4 4 X X 4 X 4 1 X 1 X 1
Ethyl Cellosolve 4 2 4 4 4 2 4 4 4 4 4 X 1
Ethyl Cellulose 2 2 2 2 2 2 4 2 4 2 4 X 1
Ethyl Chloride 1 3 4 4 4 4 3 4 1 2 1 X 1
Ethyl Chlorocarbonate 4 2 4 4 4 4 4 4 1 4 2 X 1
Ethyl Chloroformate 4 2 4 4 4 3 4 4 4 4 4 X 1
Ethyl Ether 3 3 4 4 4 3 4 4 4 2 3 X 1
Ethyl Formate 4 2 2 4 X 2 X 2 1 X 1 X 1
Ethyl Hexanol 1 1 1 1 2 1 4 1 1 4 1 X 1
Ethyl Lactate 3 1 1 1 2 1 4 1 3 4 1 X 1
Ethyl Mercaptan 4 X 3 4 3 4 X 3 2 X X X 1
Ethyl Nitrite 3 1 1 1 2 1 4 1 3 4 1 X 1
Ethyl Oxalate 4 1 4 4 4 4 4 4 2 X 2 X 1
Ethyl Pentachlorobenzene 4 4 4 4 4 4 4 4 1 4 2 X 1
Ethyl Pyridine 2 4 4 4 X 4 4 4 1 3 2 X 1
Ethyl Silicate 1 1 1 2 X 1 X 2 1 X 1 X 1
Ethyl Stearate 2 4 4 4 X 4 4 4 1 3 2 X 1
Ethyl Sulfate X 1 X X X X X X 4 X X 1 1
Ethyl Tertiary Butyl Ether X X X X X X X X X X X X 1
Ethyl Valerate 2 4 4 4 X 4 4 4 1 3 2 X 1
Ethylacrylic Acid 4 2 2 4 4 2 4 4 X 4 4 X X
Ethylamine 3 1 1 1 2 1 4 1 3 4 1 X 1
Ethylcyclopentane 1 4 3 4 4 4 2 4 1 1 1 X 1
Ethylene 3 4 4 4 4 4 4 4 2 4 2 X 1
Ethylene Chloride 4 4 4 4 4 4 4 4 2 4 2 X 1
Ethylene Chlorohydrin 4 2 2 2 3 2 4 2 1 4 2 X 1
Ethylene Cyanohydrin 2 4 4 4 X 4 4 4 1 3 2 X 1
Ethylene Diamine 1 1 1 2 1 1 4 2 4 4 4 X 2
Ethylene Dibromide 4 3 4 4 4 3 4 4 1 4 3 X 1
Ethylene Dichloride 4 3 4 4 4 3 4 4 1 4 3 X 1
Ethylene Glycol 1 1 1 1 1 1 4 1 1 2 1 X 1
Ethylene Hydrochloride 4 3 4 4 4 3 4 4 1 4 3 X 1
Ethylene Oxide 4 3 4 4 4 3 4 4 4 4 4 X 1
Ethylene Oxide, (12%) and Freon 12 (80%) 3 2 4 4 4 2 4 4 4 4 4 X 2
Ethylene Trichloride 4 3 4 4 4 3 4 4 1 4 3 X 1
Ethyleneimine X X X X X X X X X X X X 1
Ethylmorpholene Stannous Octotate (50/50 mixture) 4 2 X 4 X 2 X X 4 X X X 1
Ethylmorpholine 2 4 4 4 X 4 4 4 1 3 2 X 1
Ethylsulfuric Acid 3 1 1 1 2 1 4 1 3 4 1 X 1
F-60 Fluid (Dow Corning) 1 1 1 1 4 1 1 1 1 1 1 X 1
F-61 Fluid (Dow Corning) 1 1 1 1 4 1 1 1 1 1 1 X 1
Fatty Acids 2 3 2 4 3 3 X 2 1 X X X 1
FC-43 Heptacosofluorotri-butylamine 1 1 1 4 1 1 X 1 1 X 1 X 1
FC75 & FC77 (Fluorocarbon) 1 1 1 4 1 1 X 1 2 X 2 X 1
Ferric Acetate 3 1 1 1 2 1 4 1 3 4 1 X 1
Ferric Ammonium Sulfate 3 1 1 1 2 1 4 1 3 4 1 X 1
Ferric Chloride 1 1 2 1 2 1 1 2 1 1 1 X 1
Ferric Ferrocyanide 3 1 1 1 2 1 4 1 3 4 1 X 1
Ferric Hydroxide 3 1 1 1 2 1 4 1 3 4 1 X 1
Ferric Nitrate 1 1 1 1 2 1 1 1 1 1 1 X 1
Ferric Persulfate 1 1 1 X X X X X 1 X X 1 1
Ferric Sulfate 1 1 1 X X X X X 1 X X 1 1
Ferrous Ammonium Citrate 3 1 1 1 2 1 4 1 3 4 1 X 1
Ferrous Ammonium Sulfate 3 1 1 1 2 1 4 1 3 4 1 X 1
Ferrous Carbonate 3 1 1 1 2 1 4 1 3 4 1 X 1
Ferrous Chloride X X X X X X X X X X X X 1
Ferrous Iodide 3 1 1 1 2 1 4 1 3 4 1 X 1
Ferrous Sulfate 3 1 1 1 2 1 4 1 3 4 1 X 1
Ferrous Tartrate 3 1 1 1 2 1 4 1 3 4 1 X 1
Fish Oil 2 4 4 4 X 4 4 4 1 3 2 X 1
Fisher Reagent X 2 X X X X X X X X X X X
Fluorinated Cyclic Ethers X 1 X X X X X X X X X X 1
Fluorine (Gas) X X X X X X X X X X X X 2
Fluorine (Liquid) 4 4 X X X X X X 2 X X X 2
Fluorobenzene 2 4 4 4 X 4 4 4 1 3 2 X 1
Fluoroboric Acid 1 1 X X X X X X X X X X 1
Fluorocarbon Oils X 1 X X X X X X X X X X 2
Fluoroform (Trifluoromethane) X X X X X X X X X X X X 1
Fluorolube 1 1 1 4 1 1 X 1 2 X 2 X 1
Fluorophosphoric Acid X X X X X X X X X X X X 1
Fluorosilicic Acid 1 2 1 X X X X X 2 X X 1 1
Fluorosulfonic Acid X X X X X X X X X X X X 1
Formaldehyde 3 2 3 3 2 2 4 2 4 4 4 X 1
Formamide 3 1 1 1 2 1 4 1 3 4 1 X 1
Formic Acid X 1 1 X X X X X 4 X X 3 1
Freon, 11 4 4 4 4 4 4 4 1 2 X 2 X 2
Freon, 112 (Tetrachlorodifluoroethane) 2 4 2 4 4 4 X 2 1 X X X 1
Freon, 113 1 4 1 2 4 4 X 1 2 1 X X 3
Freon, 113 + High and Low Aniline Oil 1 X X X X X X X X X X 4 3
Freon, 114 1 1 1 1 4 1 X X 1 X X X 2
Freon, 114B2 2 4 2 4 4 4 X 1 2 X X X 2
Freon, 115, 116 1 1 1 1 X 1 X X 2 X X X 2
Freon, 12 2 3 1 1 4 3 X 1 3 1 3 X 2
Freon, 12 and ASTM Oil #2 (50/50 Mixture) 2 4 3 4 4 4 X 2 1 X 2 X 1
Freon, 12 and Suniso 4G (50/50 Mixture) 2 4 3 4 4 4 X 2 1 X 2 X 1
Freon, 123 (Dichlorotrifluoroethane) X X X X X X X X X X X X 4
Freon, 124 (Chlorotetrafluoroethane) X X X X X X X X X X X X 2
Freon, 125 (Pentafluoroethane) X X X X X X X X X X X X 2
Freon, 13 1 1 1 1 4 1 X 1 1 X 4 X 1
Freon, 134a (Tetrafluoroethane) X X X X X X X X X X X X 3
Freon, 13B1 1 1 1 1 4 1 X 1 1 X 2 X 2
Freon, 14 1 1 1 1 4 1 X 1 1 1 X X 1
Freon, 141b (Dichlorofluoroethane) X X X X X X X X X X X X 1
Freon, 142b 2 4 1 X X X X X 2 X X 4 3
Freon, 152a (Difluoroethane) X X X X X X X X X X X X 3
Freon, 21 4 4 3 4 4 4 X 4 4 X X X 1
Freon, 218 1 1 X X X X X X 1 X X X 1
Freon, 22 (Chlorodifluoroethane) 4 3 1 1 4 3 2 1 4 4 4 X 1
Freon, 22 and ASTM Oil #2 (50/50 Mixture) 4 4 2 4 4 4 2 X 2 X 2 X 1
Freon, 23 (Fluoroform) X X X X X X X X X X X X 1
Freon, 31 4 1 1 2 X 1 X 2 4 X X X 2
Freon, 32 1 1 1 1 X 1 X 1 4 X X X 2
Freon, 502 2 1 1 1 X 1 X X 2 X X X 2
Freon, BF (R112) 2 4 2 4 4 4 X 2 1 X X X 2
Freon, C316 1 1 X X X X X X 1 X X X 2
Freon, C318 1 1 1 1 X 1 X 1 2 X X X 2
Freon, K-142b 1 1 1 1 X 1 X 1 4 X X X 4
Freon, K-152a 1 1 1 1 X 1 X 4 4 X X X 4
Freon, MF (R11) 2 4 4 4 4 4 X 1 2 3 X X 2
Freon, PCA (R113) 1 4 1 2 4 4 X 1 2 1 X X 1
Freon, TA 1 2 X X X X X X 3 X X X 2
Freon, TC 1 2 X X X X X X 1 X X X 2
Freon, TF (R113) 1 4 1 2 4 4 X 1 2 1 X X 2
Freon, TMC 2 3 X X X X X X 1 X X X 2
Freon, T-P35 1 1 X X X X X X 1 X X X 2
Freon, T-WD602 2 2 X X X X X X 1 X X X 2
Fuel Oil, #6 2 4 4 4 1 4 1 4 1 2 1 X 1
Fuel Oil, 1, and 2 1 4 2 4 4 4 1 3 1 2 1 X 1
Fuel Oil, Acidic 1 4 2 4 1 4 1 4 1 2 1 X 1
Fumaric Acid 1 2 2 2 2 4 4 2 1 X 1 X 1
Fuming Sulphuric Acid (20/25% Oleum) 4 4 4 4 4 4 4 4 1 4 X X 1
Furaldehyde 4 2 4 X X X X X 4 X X 4 2
Furan (Furfuran) 4 3 4 4 X 4 4 4 1 X X X 1
Furfural (Furfuraldehyde) 4 2 4 4 4 2 4 3 4 3 X X 1
Furfuraldehyde 4 2 4 4 4 2 4 3 4 3 X X 1
Furfuryl Alcohol 4 2 4 4 4 2 4 4 X 4 4 X 1
Furoic Acid X X X X X X X X X X X X 1
Furyl Carbinol 4 2 4 4 4 2 4 4 X 4 4 X X
Fyrquel 150 220 300 550 4 1 4 4 1 1 4 4 1 4 2 X 1
Fyrquel 90, 100, 500 4 1 X X X X X X 1 X X 1 1
Fyrquel A60 4 2 4 X X X X X 4 X X 2 1
Gallic Acid 2 2 2 2 X 2 4 2 1 4 1 X 1
Gasoline 1 4 4 4 4 4 4 4 1 2 1 X 1
Gelatin 1 1 1 1 1 1 4 1 1 4 1 X 1
Germane (Germanium Tetrahydride) X X X X X X X X X X X X 1
Girling Brake Fluid 3 1 2 1 X 2 X 2 4 X 4 X 1
Glauber’s Salt 4 2 2 4 X 2 4 2 1 X 1 X 1
Gluconic Acid 3 1 1 1 2 1 4 1 3 4 1 X 1
Glucose 1 1 1 1 1 1 X 1 1 4 1 X 1
Glue X X X X X X X X X X X X 1
Glutamic Acid 3 1 1 1 2 1 4 1 3 4 1 X 1
Glycerine (Glycerol) 1 1 1 1 1 1 4 1 1 4 1 X 1
Glycerol Dichlorohydrin 3 1 1 1 2 1 4 1 3 4 1 X 1
Glycerol Monochlorohydrin 3 1 1 1 2 1 4 1 3 4 1 X 1
Glycerol Triacetate 3 1 1 1 2 1 4 1 3 4 1 X 1
Glycerophosphoric Acid 3 1 1 1 2 1 4 1 3 4 1 X 1
Glyceryl Phosphate 3 1 1 1 2 1 4 1 3 4 1 X 1
Glycidol 3 1 1 1 2 1 4 1 3 4 1 X 1
Glycol Monoether X X X X X X X X X X X X 1
Glycolic Acid 3 1 1 1 2 1 4 1 3 4 1 X 1
Glycols 1 1 1 1 1 1 4 1 1 4 1 X 1
Glycoxylic Acid 3 1 1 1 2 1 4 1 3 4 1 X 1
Grease Petroleum Base 1 4 3 4 4 4 1 4 1 1 1 X 1
Green Sulfate Liquor 2 1 2 2 X 1 4 2 1 4 2 X 1
Gulf Endurance Oils 1 4 2 4 4 4 1 4 1 1 1 X 1
Gulf FR Fluids (Emulsion) 1 4 2 4 4 4 1 4 1 1 1 X 1
Gulf FR G-Fluids 1 1 1 1 1 1 4 1 1 2 1 X 1
Gulf FR P-Fluids 4 2 4 4 1 2 4 4 2 4 2 X 1
Gulf Harmony Oils 1 4 2 4 4 4 1 4 1 1 1 X 1
Gulf High Temperature Grease 1 4 2 4 4 4 1 4 1 1 1 X 1
Gulf Legion Oils 1 4 2 4 4 4 1 4 1 1 1 X 1
Gulf Paramount Oils 1 4 2 4 4 4 1 4 1 2 1 X 1
Gulf Security Oils 1 4 2 4 4 4 1 4 1 2 1 X 1
Gulfcrown Grease 1 4 2 4 4 4 1 4 1 1 1 X 1
Halothane 4 4 4 4 4 4 4 4 1 4 2 X 1
Halowax Oil 4 4 4 4 4 4 X 4 1 X 1 X 1
Hannifin Lube A 1 4 1 2 2 4 1 1 1 1 1 X 1
Heavy Water 1 1 2 1 1 1 4 1 X 4 1 X 1
HEF-2 (High Energy Fuel) 2 4 4 4 4 4 4 4 1 4 2 X 1
Helium 1 1 1 1 1 1 1 1 1 1 1 X 1
Heptachlor 2 4 4 4 X 4 4 4 1 3 2 X 1
Heptachlorobutene 2 4 4 4 X 4 4 4 1 3 2 X 1
Heptaldehyde (Heptanal) 1 4 2 4 2 4 1 2 1 1 1 X 1
Heptane or n-Heptane 1 4 2 4 4 4 1 2 1 2 3 X 1
Heptanoic Acid 1 4 2 4 2 4 1 2 1 1 1 X 1
Hexachloroacetone 3 1 1 1 2 1 4 1 3 4 1 X 1
Hexachlorobutadiene 2 4 4 4 X 4 4 4 1 3 2 X 1
Hexachlorobutene 2 4 4 4 X 4 4 4 1 3 2 X 1
Hexachloroethane 2 4 4 4 X 4 4 4 1 3 2 X 1
Hexaethyl Tetraphosphate X X X X X X X X X X X X 1
Hexafluoroethane (F-116) X X X X X X X X X X X X 2
Hexafluoroxylene X X X X X X X X X X X X 1
Hexafluoroxylene X X X X X X X X X X X X 1
Hexaldehyde or n-Hexaldehyde 4 1 1 4 2 2 X 3 4 2 4 X 1
Hexamethyldisilizane X X X X X X X X X X X X 1
Hexamethylene (Cyclohexane) 1 4 2 4 2 4 1 2 1 1 1 X 1
Hexamethylene Diammonium Adipate 2 4 4 4 X 4 4 4 1 3 2 X 1
Hexamethylenediamine 3 1 1 1 2 1 4 1 3 4 1 X 2
Hexamethylenetetramine 3 1 1 1 2 1 4 1 3 4 1 X 2
Hexane or n-Hexane 1 4 2 4 4 4 1 2 1 2 3 X 1
Hexene-1 or n-Hexene-1 2 4 2 4 4 4 1 2 1 2 4 X 1
Hexone (Methyl Isobutyl Ketone) 3 1 1 1 2 1 4 1 3 4 1 X 1
Hexyl Acetate 1 4 2 4 2 4 1 2 1 1 1 X 1
Hexyl Alcohol 1 3 2 1 2 3 4 2 1 4 2 X 1
Hexylene Glycol 3 1 1 1 2 1 4 1 3 4 1 X 1
Hexylresorcinol 2 4 4 4 X 4 4 4 1 3 2 X 1
High Viscosity Lubricant, H2 1 1 2 1 1 1 4 X 1 4 2 X 1
High Viscosity Lubricant, U4 1 1 2 1 1 1 4 X 1 4 2 X 1
HiLo MS #1 4 1 4 4 3 2 4 4 4 4 3 X 1
Houghto-Safe 1010 phosphate ester 4 1 4 4 3 1 4 4 1 X 2 X 1
Houghto-Safe 1055 phosphate ester 4 1 4 4 3 1 4 4 1 X 2 X 1
Houghto-Safe 1120 phosphate ester 4 2 4 4 3 1 4 4 1 4 2 X 1
Houghto-Safe 271 (Water & Glycol Base) 1 1 2 1 2 2 4 X 2 4 2 X 1
Houghto-Safe 416 & 500 Series 1 1 X X X X X X X X X X X
Houghto-Safe 5040 (Water/Oil emulsion) 1 4 2 4 3 4 4 4 1 4 2 X 1
Houghto-Safe 620 Water/Glycol 1 1 2 1 2 2 4 X 2 4 2 X 1
Hydraulic Oil (Petroleum Base, Industrial) 1 4 2 4 2 4 1 2 1 1 1 X 1
Hydraulic Oils (Synthetic Base) 2 4 4 4 X 4 4 4 1 3 2 X 1
Hydrazine 2 1 2 2 2 1 X 2 4 4 4 X 1
Hydrazine (Anhydrous) 4 2 2 1 X 2 4 2 4 4 4 2 1
Hydrazine Dihydrochloride 3 1 1 1 2 1 4 1 3 4 1 X 1
Hydrazine Hydrate 3 1 1 1 2 1 4 1 3 4 1 X 1
Hydriodic Acid 2 4 4 4 X 4 4 4 1 3 2 X 1
Hydroabietyl Alcohol X X X X X X X X X X X X 1
Hydrobromic Acid 4 1 4 4 4 1 4 1 1 4 3 X 1
Hydrobromic Acid 40% 4 1 2 4 4 1 4 1 1 4 3 X 1
Hydrocarbons, Saturated 1 4 2 4 4 4 1 3 1 2 1 X 1
Hydrochloric Acid (cold) 37% 4 3 4 X X X X X 1 X X 1 1
Hydrochloric Acid (hot) 37% 4 3 4 4 X 4 4 4 1 3 2 X 1
Hydrochloric Acid, 3 Molar to 158°F 2 1 2 3 4 1 3 1 1 4 3 X 1
Hydrochloric Acid, Concentrated Room Temp. 2 2 X X X X X X 1 X X X 1
Hydrochloric Acid, Concentrated to 158°F 4 4 4 4 4 4 4 X 1 4 4 X 1
Hydrocyanic Acid 2 1 2 2 3 1 4 1 1 X 2 X 1
Hydro-Drive MIH-10 (Petroleum Base) 1 4 2 4 2 4 1 4 1 2 1 X 1
Hydro-Drive MIH-50 (Petroleum Base) 1 4 2 4 2 4 1 4 1 2 1 X 1
Hydrofluoric Acid (Anhydrous) X X X X X X X X X X X X 1
Hydrofluoric Acid (conc.) Cold X X X X X X X X X X X X 1
Hydrofluoric Acid (conc.) Hot 4 4 X X X X X X 3 X X X 1
Hydrofluorosilicic Acid 2 1 2 2 4 1 X 1 1 X 4 X 1
Hydrogen Bromide (Anhydrous) X X X X X X X X X X X X 1
Hydrogen Chloride (Anhydrous) X X X X X X X X X X X X 1
Hydrogen Chloride gas 4 1 2 X X X X X 1 X X 1 1
Hydrogen Cyanide X X X X X X X X X X X X 1
Hydrogen Fluoride X X X X X X X X X X X X 1
Hydrogen Fluoride (Anhydrous) 4 1 X 4 X 1 4 X 4 X 4 2 1
Hydrogen Gas, Cold 1 1 1 2 3 1 2 1 1 1 3 X 1
Hydrogen Gas, Hot 1 1 1 2 3 1 2 1 1 1 3 X 1
Hydrogen Iodide (Anhydrous) X X X X X X X X X X X X 1
Hydrogen Peroxide 2 1 1 2 1 1 4 2 1 X 1 X 1
Hydrogen Peroxide 90% 4 3 4 4 2 3 4 3 1 X 2 X 1
Hydrogen Selenide X X X X X X X X X X X X 1
Hydrogen Sulfide, Dry, Cold 1 1 1 1 3 1 4 1 4 X 3 X 1
Hydrogen Sulfide, Dry, Hot 4 1 2 4 3 1 4 3 4 X 3 X 1
Hydrogen Sulfide, Wet, Cold 4 1 1 4 3 1 4 2 4 X 3 X 1
Hydrogen Sulfide, Wet, Hot 4 1 2 4 3 1 4 3 4 X 3 X 1
Hydrolube-Water/Ethylene Glycol 1 1 2 1 2 2 4 X 1 4 2 X 1
Hydrooxycitronellal X X 4 4 X 4 4 4 1 3 2 X 1
Hydroquinol 4 4 4 X X X X X 1 X X X 2
Hydroquinone 3 2 4 4 X 4 4 4 2 X 2 X 1
Hydroxyacetic Acid 3 1 1 1 2 1 4 1 3 4 1 X 1
Hydyne 2 1 2 2 4 2 4 X 4 X 4 X 1
Hyjet 4 1 4 X X X X X 4 X X 2 1
Hyjet IV and IVA 4 1 4 4 4 2 4 4 4 4 4 X 1
Hyjet S4 4 1 4 X X X X X 4 X X 2 1
Hyjet W 4 1 4 X X X X X 4 X X 2 1
Hypochlorous Acid 4 2 4 4 X 2 4 1 1 X X X 1
Indole X X 4 4 X 4 4 4 1 3 2 X 1
Industron FF44 1 4 2 4 4 4 1 4 1 2 1 X 1
Industron FF48 1 4 2 4 4 4 1 4 1 2 1 X 1
Industron FF53 1 4 2 4 4 4 1 4 1 2 1 X 1
Industron FF80 1 4 2 4 4 4 1 4 1 2 1 X 1
Insulin 3 1 1 1 2 1 4 1 3 4 1 X 1
Iodic Acid 3 1 1 1 2 1 4 1 3 4 1 X 1
Iodine 2 2 4 2 X 2 X 2 1 X 1 X 1
Iodine Pentafluoride 4 4 4 4 4 4 4 4 4 4 4 X 2
Iodoform X 4 4 4 X 4 4 4 1 3 2 X 1
Isoamyl Acetate 3 1 1 1 2 1 4 1 3 4 1 X 1
Isoamyl Butyrate 3 1 1 1 2 1 4 1 3 4 1 X 1
Isoamyl Valerate 3 1 1 1 2 1 4 1 3 4 1 X 1
Isoboreol X X 4 4 X 4 4 4 1 3 2 X 1
Isobutane 1 4 2 4 2 4 1 2 1 1 1 X 1
Isobutyl Acetate 3 1 1 1 2 1 4 1 3 4 1 X 1
Isobutyl Alcohol 2 1 1 2 1 1 4 1 1 4 2 X 1
Isobutyl Chloride 4 4 4 X X X X X 1 X X 4 1
Isobutyl Ether 2 4 3 X X X X X 4 X X 4 1
Isobutyl Methyl Ketone 3 1 1 1 2 1 4 1 3 4 1 X 1
Isobutyl n-Butyrate 4 1 4 4 X 1 4 4 1 X 1 X 1
Isobutyl Phosphate 3 1 1 1 2 1 4 1 3 4 1 X 1
Isobutylene X X 4 4 X 4 4 4 1 3 2 X 1
Isobutyraldehyde 3 2 3 X X X X X 4 X X 4 2
Isobutyric Acid 1 2 4 X 2 X X X 4 X X 3 1
Isocrotyl Chloride X X 4 4 X 4 4 4 1 3 2 X 1
Isodecanol 1 4 2 4 2 4 1 2 1 1 1 X 1
Isododecane 1 4 2 4 4 4 4 2 1 X 1 X 1
Isoeugenol 1 4 2 4 2 4 1 2 1 1 1 X 1
Isooctane 1 4 2 4 4 4 1 1 1 2 1 X 1
Isopentane 1 4 2 4 2 4 1 2 1 1 1 X 1
Isophorone (Ketone) 4 2 4 4 4 2 4 4 4 4 4 X 1
Isopropanol 2 1 2 2 1 1 4 1 1 4 2 X 1
Isopropyl Acetate 4 2 4 4 4 2 4 4 4 4 2 X 1
Isopropyl Alcohol 2 1 2 2 1 1 4 1 1 4 2 X 1
Isopropyl Chloride 4 4 4 4 4 4 4 4 1 4 2 X 1
Isopropyl Ether 2 4 3 4 4 4 3 3 4 2 3 X 1
Isopropylacetone 3 1 1 1 2 1 4 1 3 4 1 X 1
Isopropylamine 3 1 1 1 2 1 4 1 3 4 1 X 1
Jet Fuel A 2 4 4 4 X 4 4 4 1 3 2 X 1
JP-10 3 4 4 4 4 4 4 X 1 3 1 X 1
JP-3 (MIL-J-5624) 1 4 4 X X X X X 1 X X 2 1
JP-4 (MIL-T-5624) 1 4 4 4 4 4 2 4 1 2 2 X 1
JP-5 (MIL-T-5624) 1 4 4 4 4 4 2 4 1 2 2 X 1
JP-6 (MIL-J-25656) 1 4 4 4 4 4 2 4 1 2 2 X 1
JP-8 (MIL-T-83133) 1 4 3 4 4 4 1 X 1 1 2 X 1
JP-9 (MIL-F-81912) 3 4 4 4 4 4 4 X 1 3 2 X 1
JP-9 -11 4 4 4 4 4 4 4 X 1 4 2 X 1
JPX (MIL-F-25604) 1 4 2 X X X X X 4 X X 2 1
Kel F Liquids 1 1 X 1 1 1 X 1 2 X 2 X 1
Kerosene (Similar to RP-1 and JP-1) 1 4 2 4 4 4 1 4 1 1 1 X 1
Keystone #87HX-Grease 1 4 4 4 4 4 1 4 1 1 1 X 1
Lacquer Solvents 4 4 4 4 4 4 4 4 4 4 4 X 1
Lacquers 4 4 4 4 4 4 4 4 4 4 4 X 1
Lactams-Amino Acids 4 2 2 4 X 2 X 2 4 X 4 X 1
Lactic Acid, Cold 1 1 1 1 1 1 4 1 1 X 1 X 1
Lactic Acid, Hot 4 4 4 4 2 4 4 3 1 X 2 X 1
Lactones (Cyclic Esters) 4 2 4 4 2 2 4 4 4 4 4 X 1
Lard Animal Fat 1 2 2 4 2 2 1 4 1 1 1 X 1
Lauric Acid 1 4 2 4 2 4 1 2 1 1 1 X 1
Lavender Oil 2 4 4 X X X X X 1 X X 1 1
LB 135 1 1 1 X X X X X 1 X X 1 1
Lead (Molten) X X X X X X X X X X X X 1
Lead Acetate 2 1 2 4 4 1 4 4 4 4 4 X 1
Lead Arsenate 3 1 1 1 2 1 4 1 3 4 1 X 1
Lead Azide X X X X X X X X X X X X 1
Lead Bromide 3 1 1 1 2 1 4 1 3 4 1 X 1
Lead Carbonate 3 1 1 1 2 1 4 1 3 4 1 X 1
Lead Chloride 3 1 1 1 2 1 4 1 3 4 1 X 1
Lead Chromate 3 1 1 1 2 1 4 1 3 4 1 X 1
Lead Dioxide 3 1 1 1 2 1 4 1 3 4 1 X 1
Lead Linoleate 3 1 1 1 2 1 4 1 3 4 1 X 1
Lead Naphthenate X X X X X X X X X X X X 1
Lead Nitrate 1 1 1 1 2 1 X 1 X X 1 X 1
Lead Oxide 3 1 1 1 2 1 4 1 3 4 1 X 1
Lead Sulfamate 2 1 1 2 2 1 4 1 1 X 1 X 1