PTFE ISO-TECH

Polytetrafluoroethylene (PTFE)

Materials

Available properties

General

Water absorption (%)
Density (g/cm³)

Mechanical

Elastic modulus (GPa)
Impact strength, Charpy notched (kJ/m²)
Hardness, Shore D ([-])
Impact strength, Charpy unnotched ([-])
Yield strength (MPa)
Tensile strength (MPa)
Elongation (%)

Thermal

Heat deflection temperature, 1.80 MPa (°C)
Coefficient of thermal expansion (1/K)
Max service temperature, short (°C)
Max service temperature, long (°C)
Max service temperature (°C)
Thermal conductivity (W/(m·K))
Heat deflection temperature, 0.45 MPa (°C)
Melting point (°C)
Heat deflection temperature (°C)
Specific heat capacity (J/(kg·K))

Electrical

Loss tangent, 1MHz ([-])
Dielectric constant ([-])
Dielectric strength (kV/mm)
Electrical resistivity (Ω·m)
Volume resistivity (Ω·cm)
Loss tangent ([-])
Surface resistivity (Ω/sq)
Dielectric constant, 1MHz ([-])

You should select at least 1 property to see the chart!

PTFE ISO-TECH

Polytetrafluoroethylene (PTFE)

Primary standard name

Equivalent standard names

Related standards

Chemical composition

Element

Weight %

Comment

Element

Weight %

Comment

Material Information

Certifications

Food Contact: FDA and EU 10/2011, RoHS,REACH

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Processing Tag

-

Certification Groups

-

Processing methods

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Extrusion, compression molding, coating

Application areas

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Pan-coating, body implants, high temperature capacitors, carriers for printed circuit boards, piston

More

Optical

Transparency, tr

-

no

Mechanical

Impact strength, Charpy notched, Ivnot

-

13 - 15 kJ/m² at 23 °C

Hardness, Shore D, HS D

55 [-] at 23 °C

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Elongation, A

50 % at 23 °C

350 - 550 % at 23 °C

Elastic modulus, E

-

0.4 - 0.75 GPa at 23 °C

Tensile strength, Rm

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20 - 35 MPa at 23 °C

Impact strength, Charpy unnotched, Iunnot

Yield strength, YS

25 MPa at 23 °C

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General

Density, ρ

2.15 g/cm³ at 23 °C

2.13 - 2.23 g/cm³ at 23 °C

Water absorption, cwater

0.01 % at 23 °C

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Electrical

Loss tangent, 1MHz, tanδ1,MHz

2E-4 [-] at 23 °C

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Volume resistivity, ρel, vol

1.00E+17 Ω·cm at 23 °C

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Dielectric constant, 1MHz, εr,1MHz

2.1 [-] at 23 °C

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Dielectric constant, εr

2.1 [-] at 23 °C

2.1 [-] at 23 °C

Dielectric strength, EDS

48 kV/mm at 23 °C

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Surface resistivity, ρel,surf

1.00E+16 Ω/sq at 23 °C

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Electrical resistivity, ρel

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1.00E+18 Ω·m at 23 °C

Loss tangent, tanδ

2E-4 [-] at 23 °C

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Thermal

Heat deflection temperature, 1.80 MPa, HDT1.8,MPa

55 °C

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Max service temperature, long, Tmaxlong

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260 °C

Thermal conductivity, λ

0.25 W/(m·K) at 23 °C

0.25 W/(m·K) at 23 °C

Coefficient of thermal expansion, α

1.2000000000000002E-4 1/K at 23 °C

1E-4 - 2E-4 1/K at 23 °C

Specific heat capacity, cp

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1000 J/(kg·K) at 23 °C

Max service temperature, short

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300 °C

Flammability

V0 UL 94

UL 94 V0

Max service temperature, Tmax

260 °C

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Heat deflection temperature, 0.45 MPa, HDT0.45,MPa

121 °C

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Melting point, Tm

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325 - 335 °C

Heat deflection temperature, HDT

55 - 121 °C

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