PTFE Film

SY-2000 is a skived PTFE (Polytetrafluoroethylene) film.

Data Sheet

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PTFE Film Data Sheet

Item	unit	Data
Dencity	kg/m3	（2.15-2.25） *10^3
Poisson's ratio （25℃）		0.4
Systolicity((195℃,28Mpa,3 mins)	%	<1%
Water absorption rate	24H/%	＜0.01
Contact Angle with water		114°-115°
Surface tension	N/Cm	18.5×10^-5
Maximum service temperature without load	℃	260
Chemical solvent resistance		good
Hardness	HSD	60
Tensile strength	MPa	36.5
Elongation at break	%	330
Modulus of elasticity in compression	MPa	280
Compression strength 5%	MPa	12.9
Impact strength (notched)	KJ/m^2	2
Flexural strength	MPa	20.7
Friction coefficient (load 2MPa)		0.11
Modulus of elasticity in bending	MPa	700
Crystallinity	%	50～65
Melting point	℃	327
Heat deflection temperature	℃	55
Vicat softening point	℃	110
Pyrolysis temperature	℃	415
Linear expansion factor (perpendicular to the direction of pressure)	1/℃	20～60℃ 10.3×10^-5
Thermal conductivity	W/m.K	0.256
Dielectric constant (10H2)		≤1.8-2.2
Volumetric resistivity	Ωm	≥1×10^15
Surface resistivity	Ω	＞10^10
Voltage resistance	kv/mm	Reaching a maximum voltage of 19v without breakdown