Azoty Tarnow™ TARNOFORM 300 MW4 POM

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Azoty Tarnow™ TARNOFORM 300 MW4 POM
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Mineral Filled
Material Notes:	Mineral filled injection molding grade based on Tarnoform 300 reinforced with 20% wollastonite; such a compound has high stiffness, dimensional stability and hardness combined with low shrinkage. Information provided by Zakłady Azotowe w Tarnowie-Moscicach S.A.
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Physical Properties	Metric	English	Comments

Density	1.54 g/cc	0.0556 lb/in³	ISO 1183
Linear Mold Shrinkage	0.0122 cm/cm	0.0122 in/in	60x60x4
Linear Mold Shrinkage, Transverse	0.0215 cm/cm	0.0215 in/in	ISO 294-4
Melt Flow	6.5 g/10 min @Load 2.16 kg, Temperature 190 °C	6.5 g/10 min @Load 4.76 lb, Temperature 374 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	118	118	ISO 2039-2
Ball Indentation Hardness	160 MPa	23200 psi	358 N; ISO 2039-1
Tensile Strength, Yield	73.0 MPa	10600 psi	ISO 527
Elongation at Break	2.5 %	2.5 %	ISO 527
Flexural Strength	106 MPa	15400 psi	ISO 178
Izod Impact, Notched (ISO)	3.00 kJ/m²	1.43 ft-lb/in²	1A; ISO 180
Charpy Impact, Notched	0.200 J/cm²	0.952 ft-lb/in²	1eA; ISO 179

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+14 ohm-cm	1.00e+14 ohm-cm	IEC 60093
Surface Resistance	1.00e+12 ohm	1.00e+12 ohm	IEC 60093
Dielectric Constant	4.0 @Frequency 1e+6 Hz	4.0 @Frequency 1e+6 Hz	IEC 60250
Dissipation Factor	0.0050 @Frequency 1e+6 Hz	0.0050 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	600 V	600 V	IEC 112

Thermal Properties	Metric	English	Comments
Specific Heat Capacity	1.30 J/g-°C	0.311 BTU/lb-°F
Melting Point	170 °C	338 °F	10°C/min.; ISO 3146
Deflection Temperature at 1.8 MPa (264 psi)	148 °C	298 °F	ISO 75
Vicat Softening Point	158 °C	316 °F	50 N; ISO 306
Flammability, UL94	HB @Thickness 3.20 mm	HB @Thickness 0.126 in

Processing Properties	Metric	English	Comments
Processing Temperature	180 - 230 °C	356 - 446 °F	Barrel temperature
Mold Temperature	60.0 - 120 °C	140 - 248 °F

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.

PZAK026 / 72865

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