Materials and Tools
PEEK™ (polyetheretherketone)
Chemical rating key:
A = Little to no Interaction
B = Slight Interaction
C = Not Recommended
| Chemical | Rating | Notes |
|---|---|---|
| Acetaldehyde |
A
|
|
| Acetic acid |
A
|
|
| Acetic acid, glacial |
A
|
|
| Acetone |
A
|
|
| Acetronitrile |
A
|
|
| Acetylene |
A
|
|
| Acrylic acid |
A
|
|
| Adhesives (not cyanoacrylates) |
A
|
Room temperature only. |
| Aliphatic esters |
A
|
|
| Alum, saturated |
A
|
|
| Aluminum chloride |
A
|
|
| Aluminum sulfate |
A
|
|
| Ammonia, 880 |
A
|
Room temperature only. |
| Ammonia, anhydrous |
A
|
|
| Ammonia, aqueous |
A
|
|
| Ammonium chloride, 10% conc. |
A
|
|
| Ammonium hydroxide, 10% conc. |
A
|
Room temperature only. |
| Ammonium hydroxide, conc. |
A
|
Room temperature only. |
| Ammonium nitrate |
A
|
|
| Amyl acetate |
A
|
|
| Aniline |
A
|
Elevated temperatures reduce resistance. |
| Antimony trichloride |
A
|
|
| Aqua regia |
C
|
|
| Aromatic solvents |
A
|
|
| Aviation hydraulic fluid |
A
|
Room temperature only. |
| Barium salts (chloride, sulfide) |
A
|
Room temperature only. |
| Benzaldehyde |
A
|
Room temperature only. |
| Benzene |
A
|
|
| Benzene sulfonic acid |
C
|
|
| Benzoic acid |
A
|
|
| Benzyl alcohol |
A
|
Room temperature only. |
| Bleach |
A
|
|
| Boric acid |
A
|
|
| Brake fluid (mineral) |
A
|
|
| Brake fluid (polyglycol) |
A
|
|
| Brine |
A
|
|
| Bromine |
C
|
|
| Bromine (dry) |
C
|
|
| Bromine (wet) |
C
|
|
| Bromine water, saturated |
A
|
|
| Butane |
A
|
Room temperature only. |
| Butanol |
A
|
Room temperature only. |
| Butyl acetate |
A
|
Room temperature only. |
| Calcium bisulfide |
A
|
|
| Calcium carbonate |
A
|
Room temperature only. |
| Calcium chloride |
A
|
|
| Calcium hydroxide |
A
|
Room temperature only. |
| Calcium hypochlorite |
A
|
|
| Calcium nitrate |
A
|
Room temperature only. |
| Calcium sulfate |
A
|
|
| Carbolic acid |
A
|
Room temperature only. |
| Carbon dioxide (dry) |
A
|
Room temperature only. |
| Carbon monoxide (gas) |
A
|
|
| Carbon tetrachloride |
A
|
|
| Carbonic acid |
A
|
|
| Chloracetic acid |
A
|
|
| Chlorine |
C
|
|
| Chlorobenzene |
A
|
|
| Chloroform |
A
|
Not recommended for use with PEEK rotor seals. |
| Chlorosulfonic acid |
C
|
|
| Chromic acid, 40% conc. |
A
|
Be cautious when using with tubing and frits; room temperature only. |
| Chromic acid, conc. |
C
|
|
| Citric acid |
A
|
|
| Copper acetate |
A
|
|
| Copper carbonate |
A
|
|
| Copper chloride |
A
|
|
| Copper cyanide |
A
|
|
| Copper fluoride |
A
|
|
| Copper nitrate |
A
|
|
| Copper sulfate |
A
|
|
| Crude oil |
A
|
Room temperature only. |
| Cupric fluoride |
A
|
|
| Cupric sulfate |
A
|
|
| Cuprous chloride |
A
|
|
| Cyclohexane |
A
|
|
| Cyclohexanol |
A
|
Room temperature only. |
| Cyclohexanone |
A
|
Room temperature only. |
| Dibromoethane |
A
|
Room temperature only. |
| Dibutyl phthalate |
A
|
Room temperature only. |
| Dichlorobenzene |
A
|
Room temperature only. |
| Dichloroethane (1,2) |
A
|
Room temperature only. |
| Diesel oil |
A
|
Room temperature only. |
| Diethylamine |
A
|
Room temperature only. |
| Diethylether |
A
|
|
| Dimethyl formamide (DMF) |
A
|
Room temperature only. |
| Dimethyl phthalate |
A
|
Room temperature only. |
| Dimethylsulfoxide (DMSO) |
B
|
Be cautious when using with tubing and frits. |
| Dioctyl phthalate |
A
|
Room temperature only. |
| Dioxane |
A
|
Room temperature only. |
| Diphenylsulfone (DPS) |
B
|
Be cautious when using with tubing and frits; elevated temperatures reduce resistance. |
| Dowtherm A |
C
|
|
| Dowtherm G |
B
|
|
| Dowtherm HT |
B
|
|
| Dowtherm LF |
B
|
|
| Ethane |
A
|
Room temperature only. |
| Ethanol |
A
|
|
| Ether |
A
|
|
| Ethyl acetate |
A
|
Room temperature only. |
| Ethylene dichloride |
A
|
Room temperature only. |
| Ethylene glycol |
A
|
|
| Ethylene glycol, 50% conc. |
A
|
|
| Ethylene Nitrate |
A
|
|
| Ethylene oxide (ETO) |
A
|
Room temperature only. |
| Ethylene sulfate |
A
|
Room temperature only. |
| Ferric chloride |
B
|
|
| Ferric nitrate |
A
|
Room temperature only. |
| Ferric oxide |
A
|
|
| Ferric sulfate |
A
|
Room temperature only. |
| Ferrous chloride |
A
|
Room temperature only. |
| Ferrous nitrate |
A
|
Room temperature only. |
| Ferrous sulfate |
A
|
|
| Fluorine |
C
|
|
| Formaldehyde |
A
|
|
| Formalin |
A
|
Room temperature only. |
| Formic acid |
B
|
|
| Freon 11 trichlorofluoromethane |
A
|
Room temperature only. |
| Freon 113 trichlorofluoromethane |
A
|
Room temperature only. |
| Freon 114 1,1 dichloro 1,2,2,2 tetrafluoroethane |
A
|
Room temperature only. |
| Freon 12 dichlorodifluoromethane |
A
|
Room temperature only. |
| Freon 134a |
A
|
Room temperature only. |
| Freon 22 chlorodifluoromethane |
A
|
|
| Freon 502 |
A
|
|
| Fuel oil |
A
|
Room temperature only. |
| Gas (manufactured) |
A
|
Room temperature only. |
| Gas (natural) |
A
|
Room temperature only. |
| Gasoline |
A
|
Room temperature only. |
| Glycerol |
A
|
Room temperature only. |
| Glycols |
A
|
|
| Heptane |
A
|
Room temperature only. |
| Hexane |
A
|
Room temperature only. |
| Hydraulic fluid |
A
|
Room temperature only. |
| Hydrazine |
A
|
|
| Hydrobromic acid |
C
|
|
| Hydrochloric acid, 10% conc. |
A
|
|
| Hydrochloric acid, conc. |
A
|
Elevated temperatures reduce resistance. |
| Hydrocyanic acid |
A
|
|
| Hydrofluoric acid (40%) |
C
|
|
| Hydrogen peroxide |
A
|
|
| Hydrogen sulfide (gas) |
A
|
|
| Hydroxides |
A
|
Room temperature only. |
| Iodine |
B
|
Room temperature only. |
| Iso-octane |
A
|
Room temperature only. |
| Isopropanol |
A
|
Room temperature only. |
| Kerosene |
A
|
Room temperature only. |
| Ketones |
A
|
Room temperature only. |
| Lactic acid |
A
|
|
| Lead acetate |
A
|
|
| Lime |
A
|
|
| Lubricating oil |
A
|
Room temperature only. |
| Magnesium chloride |
A
|
|
| Magnesium hydroxide |
A
|
Room temperature only. |
| Magnesium sulfate |
A
|
|
| Maleic acid |
A
|
|
| Mercuric chloride |
A
|
|
| Mercurous chloride |
A
|
Room temperature only. |
| Mercury |
A
|
|
| Methane (gas) |
A
|
|
| Methanol |
A
|
|
| Methylene chloride |
A
|
Be cautious when using with tubing and frits; Room temperature only. Not recommended for use with PEEK rotor seals. |
| Methylethyl ketone (MEK) |
A
|
Elevated temperatures reduce resistance. |
| Motor oil |
A
|
|
| N-methyl-2-pyrrolidone (NMP) |
A
|
Room temperature only. |
| Naphtha |
A
|
|
| Naphthalene |
A
|
|
| Nickel acetate |
A
|
|
| Nickel chloride |
A
|
|
| Nickel nitrate |
A
|
|
| Nickel salts |
A
|
Room temperature only. |
| Nickel sulfate |
A
|
|
| Nitric acid, 10% conc. |
A
|
Prolonged exposure may cause deterioration. |
| Nitric acid, 30% conc. |
B
|
Prolonged exposure may cause deterioration. |
| Nitric acid, 50% conc. |
C
|
|
| Nitric acid, conc. |
C
|
|
| Nitrobenzene |
A
|
Room temperature only. |
| Nitrogen |
A
|
Room temperature only. |
| Nitrous acid, 10% |
A
|
Room temperature only. |
| Nitrous oxide |
A
|
Room temperature only. |
| Oils (Di-Ester & Phosphate Ester Based) |
A
|
|
| Oils (petroleum) |
A
|
|
| Oils (vegetable) |
A
|
|
| Oleic acid |
A
|
Room temperature only. |
| Oleum |
C
|
|
| Oxalic acid |
A
|
|
| Oxygen |
A
|
Room temperature only. |
| Ozone |
A
|
Room temperature only. |
| Pentane |
A
|
Room temperature only. |
| Perchloric acid |
A
|
|
| Perchloroethylene |
A
|
|
| Petroleum ether |
A
|
|
| Phenol (conc.) |
C
|
|
| Phenol (dilute) |
A
|
Be cautious when using with tubing and frits; room temperature only. |
| Phosphoric acid, 10% conc. |
A
|
|
| Phosphoric acid, 50% conc. |
A
|
|
| Phosphoric acid, 80% conc. |
A
|
|
| Phosphorous chlorides |
A
|
|
| Phosphorous pentoxide |
A
|
|
| Phthalic acid |
A
|
|
| Picric acid |
A
|
|
| Potassium aluminum sulfate |
A
|
|
| Potassium bicarbonate |
A
|
Room temperature only. |
| Potassium bromide |
A
|
|
| Potassium carbonate |
A
|
Room temperature only. |
| Potassium chlorate |
A
|
|
| Potassium chloride |
A
|
|
| Potassium dichromate |
A
|
Room temperature only. |
| Potassium ferricyanide |
A
|
Room temperature only. |
| Potassium ferrocyanide |
A
|
Room temperature only. |
| Potassium hydroxide, 10% conc. |
A
|
Room temperature only. |
| Potassium hydroxide, 70% conc. |
A
|
Room temperature only. |
| Potassium nitrate |
A
|
|
| Potassium permanganate |
A
|
Room temperature only. |
| Potassium sulfate |
A
|
|
| Potassium sulfide |
A
|
Room temperature only. |
| Propane |
A
|
Room temperature only. |
| Propanol |
A
|
Room temperature only. |
| Pyridine |
A
|
|
| Silicic acid |
A
|
|
| Silicone Fluids |
A
|
|
| Silver nitrate |
A
|
|
| Skydrol hydraulic fluid |
A
|
Room temperature only. |
| Sodium (hot) |
C
|
|
| Sodium acetate |
A
|
Room temperature only. |
| Sodium bicarbonate |
A
|
Room temperature only. |
| Sodium carbonate |
A
|
|
| Sodium chlorate |
A
|
|
| Sodium chloride |
A
|
|
| Sodium hydroxide, 10% conc. |
A
|
|
| Sodium hydroxide, 50% conc. |
A
|
|
| Sodium hydroxide, conc |
A
|
Room temperature only. |
| Sodium hypochlorite |
A
|
|
| Sodium nitrate |
A
|
|
| Sodium nitrite |
A
|
Room temperature only. |
| Sodium peroxide |
A
|
|
| Sodium salts |
A
|
Room temperature only. |
| Sodium silicate |
A
|
|
| Sodium sulfate |
A
|
|
| Sodium sulfide |
A
|
|
| Sodium sulfite |
A
|
|
| Stannic chloride |
A
|
|
| Stannous chloride |
A
|
|
| Steam |
A
|
|
| Styrene (liquid) |
A
|
Room temperature only. |
| Sulfites |
A
|
|
| Sulfur |
A
|
|
| Sulfur chloride |
A
|
|
| Sulfur dichloride |
A
|
|
| Sulfur dioxide |
A
|
|
| Sulfur hexafluoride (gas) |
A
|
Room temperature only. |
| Sulfur trioxide |
A
|
|
| Sulfuric acid, < 40% conc. |
B
|
Prolonged exposure may cause deterioration. |
| Sulfuric acid, > 40% conc. |
C
|
|
| Sulfurous acid |
A
|
|
| Tannic acid, 10% conc. |
A
|
|
| Tar |
A
|
Room temperature only. |
| Tartaric acid |
A
|
|
| Tetraethyl lead |
A
|
Room temperature only. |
| Tetrahydrofuran (THF) |
A
|
Be cautious when using with tubing and frits; room temperature only. Not recommended for use with PEEK rotor seals. |
| Toluene |
A
|
Room temperature only. |
| Transformer oil |
A
|
|
| Trichloroethane (1,1,1; "genklene") |
A
|
Room temperature only. |
| Trichloroethylene |
A
|
|
| Trifluoromethyl sulfonic acid |
C
|
|
| Urea |
A
|
|
| Vaseline |
A
|
Room temperature only. |
| Water |
A
|
|
| Water, distilled |
A
|
|
| Water, sea/salt |
A
|
|
| Xylene |
A
|
Room temperature only. |
| Zinc chloride |
A
|
|
| Zinc sulfate |
A
|