Angst+Pfister APSOplast® PTFE 500 PTFE + mica

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Angst+Pfister APSOplast® PTFE 500 PTFE + mica
Categories:	Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE)
Material Notes:	This grade is subject to nine times less deformation under load than unfilled PTFE (tested as per ASTM D 621; compressive stress of 14 MPa at 50 °C). Its coefficient of linear thermal expansion approaches the elongation rate of aluminium and is five times that of unfilled PTFE. PTFE 500 is considerably harder than unfilled PTFE but – at practically the same coefficient of friction – has improved wear resistance and does not attack most mating partners. Information provided by Angst + Pfister
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Physical Properties	Metric	English	Comments

Density	2.30 g/cc	0.0831 lb/in³	DIN EN ISO 1183-1
Water Absorption at Saturation	0.10 %	0.10 %	DIN EN ISO 62

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	8.00 MPa	1160 psi	DIN EN ISO 527
Elongation at Break	10 %	10 %	50 mm/min; DIN EN ISO 527
Modulus of Elasticity	2.20 GPa	319 ksi	DIN EN ISO 527
Compressive Strength	17.0 MPa @Strain 1 %	2470 psi @Strain 1 %	ISO 604
Charpy Impact, Notched	1.00 J/cm²	4.76 ft-lb/in²	ISO 179-1/1eU

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 1.00e+13 ohm-cm	>= 1.00e+13 ohm-cm	DIN IEC 60023
Surface Resistance	>= 1.00e+13 ohm	>= 1.00e+13 ohm	ANSI/ESD STM 11.11
Dielectric Constant	2.85 @Frequency 1e+6 Hz	2.85 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	11.0 kV/mm	279 kV/in
Dielectric Loss Index	0.0080 @Frequency 1e+6 Hz	0.0080 @Frequency 1e+6 Hz	IEC 60250

Thermal Properties	Metric	English	Comments
CTE, linear	50.0 µm/m-°C @Temperature 23.0 - 95.0 °C	27.8 µin/in-°F @Temperature 73.4 - 203 °F	ASTM D 696
Thermal Conductivity	0.770 W/m-K	5.34 BTU-in/hr-ft²-°F	DIN 52612-1
Melting Point	327 °C	621 °F
Maximum Service Temperature, Air	260 °C	500 °F	long term
	280 °C	536 °F	short term
Minimum Service Temperature, Air	-20.0 °C	-4.00 °F
Flammability, UL94	V-0 @Thickness 1.50 mm	V-0 @Thickness 0.0591 in
	V-0 @Thickness 3.00 mm	V-0 @Thickness 0.118 in

Descriptive Properties
Color	ivory

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