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Chemical Compatability Guide for tube
Resistance Key:
| A |
B |
C |
D |
— |
| excellent |
good |
conditional |
unsuitable |
untested |
| |
Chemical |
PharMe® |
Silicone |
Tygon® standard & food |
Tygon® hydrocarbon |
Viton® |
| A |
Acetaldehyde |
D |
C |
D |
D |
D |
| |
Acetic acid, 10% in W. |
A |
A |
A |
A |
— |
| |
Acetic acid, 100% |
B |
D |
D |
D |
— |
| |
Acetic anhydride |
A |
A |
D |
D |
D |
| |
Acetone |
D |
C |
D |
D |
D |
| |
Acetonitrile |
D |
D |
D |
D |
D |
| |
Acetyl bromide |
C |
D |
D |
D |
— |
| |
Acetyl chloride |
C |
D |
D |
D |
A |
| |
Aliphatic hydrocarbons |
D |
D |
D |
B |
— |
| |
Aluminium chloride, 53% in W. |
A |
A |
A |
A |
A |
| |
Aluminium sulfate, 50% in W. |
A |
A |
A |
A |
A |
| |
Alums |
A |
A |
A |
A |
— |
| |
Ammonia, gas and liquid |
A |
D |
B |
B |
D |
| |
Ammonium acetate, 45% in W. |
A |
A |
A |
A |
— |
| |
Ammonium carbonate, 20% in W. |
A |
A |
A |
A |
— |
| |
Ammonium chloride |
A |
C |
A |
A |
A |
| |
Ammonium hydroxide, 30% in W. |
A |
D |
A |
C |
A |
| |
Ammonium nitrate |
A |
C |
A |
A |
— |
| |
Ammonium phosphate |
A |
A |
A |
A |
— |
| |
Ammonium sulfate |
A |
A |
A |
A |
A |
| |
Amyl acetate |
B |
D |
D |
D |
D |
| |
Amyl alcohol |
D |
D |
D |
A |
A |
| |
Amyl chloride |
C |
D |
D |
D |
— |
| |
Aniline |
C |
D |
D |
D |
— |
| |
Aniline hydrochloride |
C |
D |
D |
D |
D |
| |
Aqua regia (80% HCI, 20% HNO3) |
D |
D |
D |
D |
— |
| |
Aromatic hydrocarbons |
D |
D |
D |
D |
— |
| |
Arsenic salts |
A |
A |
A |
A |
— |
| B |
Barium salts |
A |
A |
A |
A |
— |
| |
Benzaldehyde |
D |
C |
D |
D |
D |
| |
Benzene |
D |
D |
D |
D |
— |
| |
Benzenesulfonic acid |
D |
D |
D |
D |
A |
| |
Boric acid, 4% in W. |
A |
A |
A |
A |
A |
| |
Bromine |
D |
D |
D |
D |
A |
| |
Butane |
A |
A |
A |
A |
A |
| |
Butanol (butyl alcohol) |
D |
D |
D |
A |
A |
| |
Butyl acetate |
B |
D |
D |
D |
D |
| |
Butyric acid |
B |
D |
D |
C |
— |
| C |
Calcium oxide |
A |
A |
A |
A |
— |
| |
Carbon bisulfide |
D |
D |
D |
D |
— |
| |
Carbon tetrachloride |
D |
D |
D |
D |
A |
| |
Chlorine, wet |
D |
D |
B |
B |
B |
| |
Chloracetic acid, 20% in W. |
B |
A |
A |
D |
D |
| |
Chlorobenzene |
D |
D |
D |
D |
A |
| |
Chloroform |
D |
D |
D |
D |
A |
| |
Chrobromomethane |
B |
D |
D |
D |
A |
| |
Chromic acid, 20% in W. |
A |
D |
B |
C |
A |
| |
Chromic acid, 50% in W. |
C |
D |
C |
D |
— |
| |
Copper salts |
A |
A |
A |
A |
— |
| |
Cyclohexane |
D |
D |
D |
C |
A |
| |
Cyclohexanone |
D |
D |
D |
D |
D |
| |
Cyorosulfonic acid |
D |
B |
— |
| |
Formaldehyde, 37% in W. |
D |
C |
D |
D |
D |
| |
Formic acid, 25% in W. |
A |
A |
A |
C |
D |
| |
Freon 11 |
A |
A |
A |
A |
— |
| |
Fruit juice |
A |
A |
A |
A |
A |
| G |
Gasoline, high-aromatic |
D |
D |
D |
B |
A |
| |
Gasoline, non-aromatic |
D |
D |
D |
B |
A |
| |
Glycerin |
A |
A |
A |
A |
A |
| H |
Hydrobromic acid, 20 – 50% |
D |
D |
A |
A |
A |
| |
Hydrochloric acid, 10% in W. |
A |
A |
A |
A |
A |
| |
Hydrochloric acid, 37% in W. |
B |
D |
A |
D |
B |
| |
Hydrocyanic acid |
A |
A |
A |
A |
A |
| |
Hydrofluoric acid, 10% in W. |
D |
D |
A |
A |
B |
| |
Hydrofluoric acid, 50% |
D |
D |
B |
D |
A |
| |
Hydrogen peroxide, 10% in W. |
A |
A |
A |
A |
A |
| |
Hydrogen peroxide, 90% in W. |
B |
C |
D |
D |
— |
| |
Hydroiodic acid |
B |
B |
A |
A |
— |
| |
Hypochlorous acid, 25% in W |
A |
A |
A |
A |
A |
| I |
Iodine solutions |
A |
C |
A |
A |
— |
| K |
Ketones |
D |
D |
D |
D |
— |
| L |
Lactic acid, 10% in W. |
A |
A |
A |
A |
— |
| |
Lactic acid, 85% in W. |
B |
D |
D |
D |
— |
| |
Lead acetate, 35% in W. |
A |
A |
A |
A |
— |
| M |
Maganese salts |
A |
A |
A |
A |
— |
| |
Magnesium chloride, 35% in W. |
A |
A |
A |
A |
A |
| |
Magnesium sulfate, 25% in W. |
A |
A |
A |
A |
— |
| |
Mercury salts |
A |
A |
A |
A |
— |
| |
Methane |
A |
— |
A |
A |
A |
| |
Methanol |
A |
B |
D |
B |
D |
| |
Methyl Ethyl Ketone |
D |
D |
D |
D |
D |
| |
Monoethanolamine |
C |
D |
D |
D |
D |
| N |
Naphtha |
D |
D |
D |
D |
A |
| |
Nickel salts |
A |
A |
A |
A |
— |
| |
Nitric acid, 10% in W. |
A |
C |
A |
D |
A |
| |
Nitric acid, 35% in W. |
A |
D |
A |
D |
A |
| |
Nitric acid, 68 – 71% in W. |
D |
D |
D |
D |
— |
| |
Nitrobenzene |
D |
D |
D |
D |
— |
| |
Nitrous acid, 10% in W. |
A |
B |
A |
C |
— |
| O |
Oils, animal |
C |
A |
D |
A |
— |
| |
Oils, mineral |
D |
D |
C |
A |
A |
| |
Oleic acid |
C |
B |
D |
B |
B |
| P |
Perchloric acid, 67% in W. |
A |
D |
C |
D |
A |
| |
Perchlorethylene |
C |
D |
D |
D |
A |
| |
Phenol, 91% in W. |
A |
B |
D |
C |
— |
| |
Phosphonic acid 25% in W. |
A |
D |
A |
A |
A |
| |
Phthalic acid, 9% in Alc. |
A |
B |
D |
C |
— |
| |
Potassium carbonate, 55% in W. |
A |
A |
A |
A |
— |
| |
Potassium cyanide, 33% in W. |
A |
A |
A |
A |
— |
| |
Potassium hydroxide, <10% in W. |
A |
A |
A |
D |
B |
| |
Potassium iodide, 56% in W. |
A |
A |
A |
A |
— |
| |
Propanol (propyl alcohol) |
C |
A |
D |
D |
B |
| |
Pyridine |
C |
D |
D |
D |
D |
| S |
Silicone oils |
C |
D |
B |
A |
A |
| |
Silver nitrate, 55% in W. |
A |
A |
A |
A |
A |
| |
Soap solutions |
B |
A |
A |
A |
A |
| |
Sodium bicarbonate, 7% in W. |
A |
A |
A |
A |
A |
| |
Sodium bisulfate |
A |
— |
A |
A |
— |
| |
Sodium borate |
A |
A |
A |
A |
A |
| |
Sodium carbonate |
A |
A |
A |
A |
B |
| |
Sodium ferrocyanide |
A |
A |
A |
D |
— |
| |
Sodium hydrosulfite |
A |
— |
A |
A |
— |
| |
Sodium hydroxide, 10 – 15% in W. |
A |
A |
A |
D |
B |
| |
Sodium hydroxide, 30 – 40% in W. |
A |
C |
A |
D |
B |
| |
Sodium nitrate, 3.5% in W. |
A |
A |
A |
A |
— |
| |
Sodium sulfate, 3.6% in W. |
A |
A |
A |
A |
A |
| |
Sodium sulfide, 13% in W. |
A |
A |
A |
A |
— |
| |
Stearic acid, 5% in Alc. |
C |
D |
D |
B |
— |
| |
Sulfuric acid, 10% in W. |
A |
A |
A |
B |
A |
| |
Sulfuric acid, 30% in W. |
A |
B |
A |
B |
A |
| |
Sulfuric acid, 95 – 98% in W. |
D |
D |
D |
D |
A |
| |
Sulfurous acid |
A |
A |
A |
A |
A |
| T |
Tannic acid, 75% in W. |
B |
A |
B |
D |
— |
| |
Tartaric acid, 56% in W. |
A |
A |
A |
A |
A |
| |
Tin salts |
A |
A |
A |
A |
— |
| |
Toluene (toluol) |
D |
D |
D |
D |
A |
| |
Trichloroacetic acid, 90% in W. |
B |
A |
A |
D |
C |
| |
Trichlorethylene |
C |
D |
D |
D |
A |
| |
Trisodium phosphate |
A |
A |
A |
A |
A |
| |
Turpentine |
D |
D |
D |
B |
A |
| U |
Urea, 20% in W. |
A |
A |
A |
A |
— |
| |
Uric acid |
A |
A |
A |
C |
— |
| X |
Xylene |
D |
D |
D |
D |
B |
| Z |
Zinc chloride, 80% in W. |
A |
A |
A |
A |
A |
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