CENTROPLAST CENTRODAL TF Polyoxymethylene + PTFE

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CENTROPLAST CENTRODAL TF Polyoxymethylene + PTFE
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, PTFE Filled
Material Notes:	This material is high strength and high heat strength dimensional stability. Applications include racks and annular gears, dimensionally accurate structural components for pumps, and housings and transmission components subjected to high loads. Information provided by CENTROPLAST Engineering Plastics GMBH
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Physical Properties	Metric	English	Comments

Density	1.52 g/cc	0.0549 lb/in³	ISO 1183
Moisture Absorption at Equilibrium	0.20 %	0.20 %	in normal climate 23°C/50%RH; ISO 62
Water Absorption at Saturation	0.65 %	0.65 %	in water at 23°C; ISO 62

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	84 @Thickness 10.0 mm	84 @Thickness 0.394 in	ISO 2039-2
Ball Indentation Hardness	120 MPa	17400 psi	value at 30 sec.; ISO 2039-1
Tensile Strength, Yield	48.0 MPa	6960 psi	v = 50 mm/min; ISO 527-2
Elongation at Break	16 %	16 %	ISO 527-2
Tensile Modulus	2.50 GPa	363 ksi	ISO 527-2
Flexural Modulus	2.40 GPa	348 ksi	ISO 178
Charpy Impact Unnotched	6.00 J/cm²	28.6 ft-lb/in²	ISO 179/1eU
Charpy Impact, Notched	0.400 J/cm²	1.90 ft-lb/in²	ISO 179/1eA

Electrical Properties	Metric	English	Comments
Electrical Resistivity	1.00e+15 ohm-cm	1.00e+15 ohm-cm	IEC 60093
Surface Resistance	1.00e+14 ohm	1.00e+14 ohm	IEC 60093
Dielectric Constant	3.7 @Frequency 100 Hz	3.7 @Frequency 100 Hz	IEC 60250
	3.7 @Frequency 1e+6 Hz	3.7 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	33.0 kV/mm	838 kV/in	in transformer oil; IEC 60243-1
Dissipation Factor	0.0020 @Frequency 100 Hz	0.0020 @Frequency 100 Hz	IEC 60250
	0.0080 @Frequency 1e+6 Hz	0.0080 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	600 V	600 V	IEC 60112

Thermal Properties	Metric	English	Comments
CTE, linear	120 µm/m-°C @Temperature 20.0 °C	66.7 µin/in-°F @Temperature 68.0 °F	ISO 11359
Thermal Conductivity	0.250 W/m-K	1.74 BTU-in/hr-ft²-°F
Melting Point	166 °C	331 °F	10K/min; ISO 3146
Maximum Service Temperature, Air	105 °C	221 °F	Long Term
	150 °C	302 °F	Short term
Deflection Temperature at 1.8 MPa (264 psi)	98.0 °C	208 °F	ISO 75-2
Vicat Softening Point	145 °C	293 °F	VST/B/50; ISO 306
Minimum Service Temperature, Air	-20.0 °C	-4.00 °F

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes	Food Compliance

Descriptive Properties
Food Compliance	yes		BGVV

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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