Polytetrarfluoretylen (PTFE)



We use this material in the following process(es):


Material number   1601  
Density ISO 1183 2,16 g/cm3
   

Mechanical properties

Stress at yield ISO 527 10 MPa
Elongation at break ISO 527 350 %
Tensile modulus ISO 527 420 19) MPa
Ball pressure hardness ISO 2039-1 28 MPa
Standard for ball pressure hardness   H358/30  
Hardness Shore (A/D) or Rockwell (R/L/M) ISO 868, ISO 2039-2 D55 -
   

Electrical properties

Dielectric constant at 50 Hz IEC 60250 2,1 -
Dielectric constant at 1 MHz IEC 60250 2,1 -
Dissipation factor at 50 Hz IEC 60250 0,5 1E-4
Dissipation factor at 1 MHz IEC 60250 0,7 1E-4
Dielectric strength IEC 60243-1 20 3) kV/mm
Thickness for electric strength   3,2 mm
Volume resistivity IEC 60093 1,00E+16 Ohm · m
Surface resistivity IEC 60093 1,00E+17 Ohm
Comparative tracking index IEC 60112 600 -
   

Thermal properties

Thermal conductance DIN 52 612 0,24 W/K m
Linear thermal expansion along|cross to direction of flow ISO 11359 130-200 10-6/K
Melting point or glass transition temp. ISO 11357 327 °C
Heat distortion temperature A ISO 75 HDT/A (1.8 MPa) 50 °C
Heat distortion temperature B ISO 75 HDT/B (0,45 MPa) 121 °C
Short time use temperature   300 °C
Continuous use temperature   260 °C
Minimal use temperature   -200 °C
   

Other properties

Humidity absorption at 23°C/50% ISO 62 <0,1 %
Water absorption ISO 62 <0,1 %
Flammability UL 94 IEC 60695-11-10 V-0 -
Transparency (opaque/translucent/clear)   opaque  
Raw material   Teflon PTFE (Du Pont)  
   

3) : measured according to ASTM

19) : flexural modulus

This datasheet is a print-out of the material database RIWETA 4.0 and is intended for personal use only.

The figures in this datasheet are guide values. The values are affected by processing conditions, modifications, additives and environmental conditions and they do not release you from the obligation to check the validity and to undertake tests on your own. The information given is based on our state of knowledge. The material data is not to be construed as guaranteeing specific properties and the data can not be used to deduce the suitability for a particular application.

It remains the responsibility of the user of our products not to infringe patent rights and to comply with existing laws and regulations.

LPM s.r.o.
Technické díly z plastů
Koněvova 536
CZ-506 11 Jičín



© 2008 by LPM s.r.o., Technické díly z plastů
Koněvova 536, CZ-506 11 Jičín, Česka republika, info@lpm.cz