Overview of materials for Acetal Copolymer, Mineral Filled

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Overview of materials for Acetal Copolymer, Mineral Filled
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Mineral Filled
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Acetal Copolymer, Mineral Filled". Each property range of values reported is minimum and maximum values of appropriate MatWeb entries. The comments report the average value, and number of data points used to calculate the average. The values are not necessarily typical of any specific grade, especially less common values and those that can be most affected by additives or processing methods.
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Physical Properties	Original Value	Comments

Density	1.20 - 1.73 g/cc	Average value: 1.52 g/cc Grade Count:44
Filler Content	10.0 - 30.0 %	Average value: 20.0 % Grade Count:4
Water Absorption	0.150 - 0.900 %	Average value: 0.418 % Grade Count:13
Moisture Absorption at Equilibrium	0.100 - 0.210 %	Average value: 0.186 % Grade Count:10
Water Absorption at Saturation	0.650 - 0.900 %	Average value: 0.783 % Grade Count:9
Additive Loading	10.0 - 40.0 %	Average value: 23.3 % Grade Count:3
Maximum Moisture Content	0.150	Average value: 0.150 Grade Count:3
Linear Mold Shrinkage	0.00500 - 0.0270 cm/cm	Average value: 0.0161 cm/cm Grade Count:37
Linear Mold Shrinkage, Transverse	0.0100 - 0.0215 cm/cm	Average value: 0.0154 cm/cm Grade Count:16
Melt Flow	3.80 - 39.0 g/10 min	Average value: 15.7 g/10 min Grade Count:21

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	75.0 - 90.0	Average value: 82.8 Grade Count:17
Tensile Strength, Ultimate	34.5 - 91.0 MPa	Average value: 59.8 MPa Grade Count:26
Tensile Strength, Yield	43.0 - 75.2 MPa	Average value: 55.2 MPa Grade Count:18
Elongation at Break	2.50 - 25.0 %	Average value: 9.41 % Grade Count:32
Elongation at Yield	4.00 - 9.50 %	Average value: 6.70 % Grade Count:10
Modulus of Elasticity	2.90 - 8.50 GPa	Average value: 4.42 GPa Grade Count:29
Flexural Yield Strength	68.9 - 181 MPa	Average value: 103 MPa Grade Count:33
Flexural Modulus	2.55 - 7.35 GPa	Average value: 4.04 GPa Grade Count:32
Izod Impact, Notched	0.200 - 5.00 J/cm	Average value: 0.878 J/cm Grade Count:23
	0.32034 - 0.48051 J/cm @Temperature -40.0 - 82.2 °C	Average value: 0.400 J/cm Grade Count:2
Izod Impact, Unnotched	2.67 - 10.7 J/cm	Average value: 7.12 J/cm Grade Count:6
Izod Impact, Notched (ISO)	3.00 - 6.30 kJ/m²	Average value: 4.93 kJ/m² Grade Count:7
	3.50 - 3.50 kJ/m² @Temperature -30.0 - -30.0 °C	Average value: 3.50 kJ/m² Grade Count:1
Charpy Impact Unnotched	2.20 - 9.03 J/cm²	Average value: 6.39 J/cm² Grade Count:7
	5.46 - 9.03 J/cm² @Temperature -30.0 - -30.0 °C	Average value: 7.26 J/cm² Grade Count:4
Charpy Impact, Notched	0.200 - 0.680 J/cm²	Average value: 0.410 J/cm² Grade Count:24
	0.294 - 0.550 J/cm² @Temperature -30.0 - -30.0 °C	Average value: 0.405 J/cm² Grade Count:10
Coefficient of Friction	0.210 - 0.540	Average value: 0.420 Grade Count:6
K (wear) Factor	1.00 - 9000 x 10^-8 mm³/N-M	Average value: 3030 x 10^-8 mm³/N-M Grade Count:5
Taber Abrasion, mg/1000 Cycles	19.0 - 33.0	Average value: 27.3 Grade Count:3

Electrical Properties	Original Value	Comments
Electrical Resistivity	1.00e+12 - 3.00e+14 ohm-cm	Average value: 1.24e+14 ohm-cm Grade Count:23
Surface Resistance	1.00e+12 - 7.00e+16 ohm	Average value: 9.50e+15 ohm Grade Count:19
Dielectric Constant	3.70 - 4.20	Average value: 3.98 Grade Count:8
Dielectric Strength	19.0 - 86.6 kV/mm	Average value: 37.9 kV/mm Grade Count:14
Dissipation Factor	0.00250 - 0.00800	Average value: 0.00565 Grade Count:8
Comparative Tracking Index	600 V	Average value: 600 V Grade Count:5

Thermal Properties	Original Value	Comments
CTE, linear	40.0 - 110 µm/m-°C	Average value: 79.7 µm/m-°C Grade Count:24
CTE, linear, Transverse to Flow	80.0 - 120 µm/m-°C	Average value: 96.7 µm/m-°C Grade Count:14
Melting Point	160 - 170 °C	Average value: 166 °C Grade Count:18
Deflection Temperature at 0.46 MPa (66 psi)	152 - 165 °C	Average value: 160 °C Grade Count:16
Deflection Temperature at 1.8 MPa (264 psi)	93.3 - 160 °C	Average value: 120 °C Grade Count:36
Vicat Softening Point	155 - 158 °C	Average value: 156 °C Grade Count:3
Flammability, UL94	HB	Grade Count:26

Processing Properties	Original Value	Comments
Processing Temperature	80.0 - 230 °C	Average value: 167 °C Grade Count:9
Nozzle Temperature	175 - 220 °C	Average value: 204 °C Grade Count:5
Die Temperature	190 - 200 °C	Average value: 195 °C Grade Count:4
Melt Temperature	120 - 230 °C	Average value: 195 °C Grade Count:17
Mold Temperature	60.0 - 120 °C	Average value: 91.7 °C Grade Count:17
Drying Temperature	75.0 - 121 °C	Average value: 100 °C Grade Count:16
Moisture Content	0.150 - 0.200 %	Average value: 0.163 % Grade Count:4
Dew Point	-31.7 °C	Average value: -31.7 °C Grade Count:3
Injection Pressure	3.50 - 120 MPa	Average value: 72.2 MPa Grade Count:16

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 go back to viewing the property data in MatWeb's normal format.

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