PTFE PROPERTIES

Mechanical Value Test Method
Density 2.156 - 2.18 g/cm3 As per DN 53479
Tensile Strength ≥ 26 N/mm2 As per DN 53455
Elongation at Break ≥ 275% As per DN 53455
Hardness 55-60 Shore'D As per DN 53516
Thermal Value Test Method
Melting Point 320 - 340° C As per ISO 12086
Temperature Strength -200 to 260° C
Coefficient of Linear Expansion 20° C - 100° C 16 x 10 K-1
20° C - 200° C 19.5 x 10 K-1
20° C - 300° C 25 x 10 K-1
As per DIN 53328
Softening Point 110° C As per DIN 53640
Conductivity 0.25 W / mk As per DIN 52612
Flammability Non Flammable
Specific Heat at 0° C 0.96 kj / kg x k
Specific Heat at 50° C 1.05 kj / kg x k
Electrical Value Test Method
Dimensional Strength(film 0.2 mm Thick) 40 - 80 kv / mm As per VDE 0303 part 2
Dielectric Constant From 50 - 107 Hz 2.1 As per DIN 5348
Volume Resistivity 1018 ? x cm As per DIN 53482
Surface Resistivity ≥ 10 17? As per DIN 53482
Arc Resistance L 4 Degree As per VDE 0303 part 5
Others Value Test Method
Water Absorption ≤ 0.01 % As per DIN 53495
Weather Resistance Excellent
Chemical Resistance Excellent
Coefficient of Permeability 2 -8 x 10-7 cm 3.cm/cm.sec.bar
FDA Compliant Yes 21 CFR 177155
UL Listed Yes File 54681 QMFZ2

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