PFA material properties

Item Unit Test method ASTM PFA
Physical properties Specific gravity - D792 2.15
Glass fiber content rate ％ - -
Mechanical properties Tensile strength MPa D638 28
Tensile elongation ％ D638 380
Bending modulus of elasticity GPa D790 0.48
Izod impact strength(With notch) J/m D256 Does not break
Rockwell hardness R, M scales D785 -
Thermal properties Continuous use temperature (mech. with imp.) ℃ UL746B 260
Flammability - UL94 V-0
Electrical properties Volume resistivity Ω・m D257 -
Dielectric breakdown strength MV/m D149 20kv/mm
Arc resistance secs. D495 ＞300
Dissipation factor(106Hz) - D150 0.0003

Note: The numeric values above are typical values. They are not standard values.

PFA chemical resistance table
Chemical PFA
Hydrochloric acid 10% ○
Sulfuric acid 10% ○
Sulfuric acid 50% ○
Nitric acid 10% ○
Nitric acid 50% ○
Hydrofluoric acid 10% ○
Hydrofluoric acid　50% ○
Phosphoric acid　10% ○
Formic acid ○
Acetic acid　10％ ○
Citric acid ○
Chromic acid ○
Boric acid ○
Methanol ○
Glycol ○
Chemical PFA
Ammonia ○
Sodium hydroxide 10% ○
Potassium hydroxide 10% ○
Calcium hydroxide ○
Water ○
Hydrogen sulfide(gas) ○
Sulfur dioxide ○
Ammonium nitrate ○
Sodium nitrate ○
Calcium carbonate ○
Calcium chloride ○
Magnesium chloride ○
Magnesium sulfate ○
Zinc sulfate ○
Hydrogen peroxide ○

○：Usable
△：Usable depending on conditions
×：Unusable