Low Temperature Application TFM Lipseal

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Product Details

Low temperature application TFM lipseal

TECHNICAL DATA SHEET

PTFE F250-TFM 1700 VIRGIN

Properties

Unit

Method

Data-Moulded

PHYSICAL-MECHANICAL
Density	g/cm3	ASTM D792	2.15-2.19
Hardness-ShoreD	/	ASTM D2240	≥55-61
Tensile Strength-CD	N/mm2	ISO 12086 ISO 527	≥25
Elongation at break-CD	%	ISO 12086 ISO 527	≥250
Compressive Modulus	N/mm2	ASTM D695	≥7%
Compressive Strength at 1% deformation	N/mm2	ASTM D695
Deformation under load at room temperature after24 hours at13.7N/mm2	%	ASTM D621
Permanent deformation as above after 24 hours of rest at room temperature	%	ASTM D621
	%
TRIBOLOGICAL
Dynamic coefficient of friction	/	ASTM D1894 ASTM D3702
THERMAL
Service Temperature(min-max)	ºC	/
Thermal expansion coefficient(linear)25-100ºC	10＾-5(mm/mm)ºC	Similar to ASTM D696
ELECTRICAL
Dielectric strength(specimen 0.5mmthick)	KV/mm	ASTM D149
Volume Resistivity	Ω.cm	ASTM D257
Surface Resistivity	Ω	ASTM D257