Chemical resistance
PVDF properties Features Antistatic capacity Assembling and How to assembling Re-use and Temperatures Safety and Polyvalence
PVDF offers optimum resistance to large part of organic and inorganic acids, to aliphatic and aromatic hydrocarbons, to alcohols and halogen solvents. Moreover it withstands Bromine, Chlorine and lodine type halogens, but not Fluorine.
All information are end results of dipping tests and, in some cases of direct tests.
Except dierent indications, mentioned solutions are all aqueous. The writing “SATURED” means that the solution is saturated at that concentration and at 25° C.
The indication “%” species the solute quantity in grams per 100 grams of solution.
Reagent | Formula | Boiling temp. | Concentration | Resistance in °C | |||||
---|---|---|---|---|---|---|---|---|---|
20 | 40 | 60 | 80 | 100 | 120 | ||||
Butyl acetate | CH₃COOC₄H₉ | 126 °C | Tech. pure | + | + | 0 | - | ||
Ammonium acetate | CH₃COONH₄ | Acqueus | + | + | + | + | + | ||
Lead acetate | Pb(CH₃COO)₂ | 102 °C | Saturated | + | + | + | + | + | |
Sodium acetate | CH₃COONa | 111 °C | Saturated | + | + | + | + | 0 | |
Acetone | CH₃ - CO - CH₃ | 56 °C | Tech. pure | 0 | 0 | ||||
Acetic acid | CH₃COOH | 118 °C | Tech. pure | + | + | 0 | - | ||
Boric acid | H₃BO₃ | Acqueus | + | + | + | + | + | + | |
Hydrochloric acid | HCI | 10% acqueus | + | + | + | + | + | + | |
Hydrochloric acid | HCI | 30% acqueus | + | + | + | + | + | ||
Chromic acido | CrO₃ + H₂O | 50% acqueus | + | + | + | + | 0 | ||
Hydrofluoric acido | HF | 40% acqueus | + | + | + | + | + | ||
Hydrofluoric acido | HF | 70% acqueus | + | + | + | + | + | ||
Formic acid | HCOOH | 101 °C | Tech. pure | + | + | + | + | ||
Phosphoric acid | H₃PO₄ | 50% acqueus | + | + | + | + | + | ||
Nitric acid | HNO₃ | 40% acqueus | + | + | + | + | + | ||
Nitric acid | HNO₃ | 65% acqueus | + | + | + | + | 0 | ||
Sulphuric acid | H₂SO₄ | 123 °C | 50% acqueus | + | + | + | + | + | + |
Sulphuric acid | H₂SO₄ | 123 °C | 90% acqueus | + | + | + | + | + | 0 |
Water | H₂O | 100% | + | + | + | + | + | + | |
Nitrohydrochloric acid | HNO₃ + HCI | 0 | |||||||
Ethyl alcohol | CH₃ - CH₂ - OH | 78 °C | Tech. pure | + | + | + | + | ||
Gaseous ammonia | NH₃ | - 33 °C | Tech. pure | + | + | + | + | + | |
Benzene | C₆H₆ | 80 °C | Tech. pure | + | + | 0 | - | ||
Sodium bicarbonate | NaHCO₃ | 102 °C | Saturated | + | + | + | 0 | ||
Sodium bisulphite | NaHSO₃ | 50% acqueus | + | + | + | + | + | ||
Bromine | Br₂ | 59 °C | Tech. pure | + | + | + | |||
Potassium bromide | KBr | 113 °C | 50% acqueus | + | + | + | + | + | |
Sodium chlorate | NaClO₃ | 110 °C | 50% acqueus | + | + | + | + | + | |
Humid chlorine | Cl₂ | Tech. pure | + | + | + | + | + | ||
Calcium chloride | CaCl₂ | 125 °C | Saturated | + | + | + | + | + | + |
Methyl chloride | CH₃Cl | -24 °C | Tech. pure | + | + | + | |||
Dioxane | C₄H₈O₂ | 101 °C | Tech. pure | + | + | 0 | |||
Ethyl ether | CH₃CH₂ - O - CH₂ CH₃ | 35 °C | Tech. pure | + | + | 0 | |||
Ammonium fluoride | NH₄F | Saturated | + | + | + | ||||
Glycerine | C₃H₈O₃ | 290 °C | Tech. pure | + | + | + | + | + | + |
Barium hydroxide | Ba(OH)₂ | 102 °C | Saturated | + | + | 0 | - | ||
Calcium hypochlorite | Ca(OCl)₂ | Saturated | + | + | 0 | ||||
Sodium hypochlorite | NaOCl | 106 °C | 50% acqueus | + | 0 | - | |||
Decolorant leach | NaOCl + NaCl | 50% acqueus | + | 0 | |||||
Methyl ethyl ketone | CH₃COC₂H₅ | 80 °C | Tech. pure | 0 | 0 | ||||
Naphtha | + | + | + | ||||||
Calcium nitrate | Ca(NO₃)₂ | 115 °C | 50% acqueus | + | + | + | + | + | |
Sodium nitrate | NaNO₃ | 110 °C | 50% acqueus | + | + | + | + | + | |
Hydrogen peroxide | H₂O₂ | 30% acqueus | + | + | + | + | + | ||
Pyridine | C₅H₅N | 115 °C | Tech. pure | + | + | 0 | 0 | ||
Caustic soda | NaOH | 50% acqueus | 0 | 0 | - | ||||
Sodium sulphate | Na₂SO₄ | 105 °C | Saturated | + | + | + | + | + | |
Carbon tetrachloride | CCl₄ | 77 °C | Tech. pure | + | + | 0 | |||
Toluene | C₇H₈ | 111 °C | Tech. pure | + | + | + | + | + | |
Xylene | C₈H₁₀ | 140 °C | Tech. pure | + | + | 0 | - | ||
Sulphur | S | Tech. pure | + | + | + | + | + |