Overview of materials for Acetal Copolymer, 20% Glass Fiber Reinforced

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Overview of materials for Acetal Copolymer, 20% Glass Fiber Reinforced
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, 20% Glass Fiber Reinforced
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Acetal Copolymer, 20% Glass Fiber Reinforced". Specific grades with glass content between 15% and 24% are included. 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	1.25 - 1.68 g/cc	Average value: 1.53 g/cc Grade Count:48
Filler Content	15.0 - 20.0 %	Average value: 18.2 % Grade Count:11
Water Absorption	0.0300 - 0.800 %	Average value: 0.362 % Grade Count:19
Moisture Absorption at Equilibrium	0.100 - 0.200 %	Average value: 0.180 % Grade Count:5
Water Absorption at Saturation	0.200 - 0.850 %	Average value: 0.736 % Grade Count:7
Linear Mold Shrinkage	0.00300 - 0.0245 cm/cm	Average value: 0.00827 cm/cm Grade Count:39
Linear Mold Shrinkage, Transverse	0.00900 - 0.0265 cm/cm	Average value: 0.0139 cm/cm Grade Count:11
Melt Flow	1.10 - 12.0 g/10 min	Average value: 6.85 g/10 min Grade Count:17

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	82.0 - 89.0	Average value: 84.4 Grade Count:5
Hardness, Rockwell R	82.0 - 110	Average value: 95.6 Grade Count:8
Tensile Strength, Ultimate	52.0 - 140 MPa	Average value: 89.0 MPa Grade Count:35
	32.0 - 50.0 MPa @Temperature 60.0 - 120 °C	Average value: 41.7 MPa Grade Count:1
Tensile Strength, Yield	46.0 - 117 MPa	Average value: 87.8 MPa Grade Count:14
Elongation at Break	1.50 - 15.0 %	Average value: 4.45 % Grade Count:45
Modulus of Elasticity	3.40 - 12.0 GPa	Average value: 6.28 GPa Grade Count:25
Flexural Yield Strength	50.0 - 210 MPa	Average value: 131 MPa Grade Count:36
Flexural Modulus	3.20 - 9.10 GPa	Average value: 5.65 GPa Grade Count:42
	2.40 - 3.90 GPa @Temperature 60.0 - 120 °C	Average value: 3.13 GPa Grade Count:1
Izod Impact, Notched	0.100 - 0.801 J/cm	Average value: 0.572 J/cm Grade Count:24
Izod Impact, Unnotched	3.74 - 5.87 J/cm	Average value: 5.04 J/cm Grade Count:8
Izod Impact, Notched (ISO)	5.00 - 7.00 kJ/m²	Average value: 5.76 kJ/m² Grade Count:7
	6.00 - 6.00 kJ/m² @Temperature -30.0 - -30.0 °C	Average value: 6.00 kJ/m² Grade Count:1
Charpy Impact Unnotched	2.00 - 6.00 J/cm²	Average value: 4.09 J/cm² Grade Count:10
	4.00 - 5.00 J/cm² @Temperature -30.0 - -30.0 °C	Average value: 4.50 J/cm² Grade Count:4
Charpy Impact, Notched	0.300 - 0.950 J/cm²	Average value: 0.569 J/cm² Grade Count:24
	0.300 - 0.800 J/cm² @Temperature -30.0 - -30.0 °C	Average value: 0.450 J/cm² Grade Count:6

Electrical Properties	Original Value	Comments
Electrical Resistivity	4000 - 1.00e+17 ohm-cm	Average value: 5.19e+15 ohm-cm Grade Count:24
Surface Resistance	1600 - 5.00e+16 ohm	Average value: 4.07e+15 ohm Grade Count:17
Dielectric Constant	3.90 - 4.50	Average value: 4.15 Grade Count:7
Dielectric Strength	16.0 - 35.0 kV/mm	Average value: 23.2 kV/mm Grade Count:12
Dissipation Factor	0.00300 - 0.0200	Average value: 0.00785 Grade Count:7
Comparative Tracking Index	500 - 600 V	Average value: 589 V Grade Count:9

Thermal Properties	Original Value	Comments
CTE, linear	30.0 - 100 µm/m-°C	Average value: 51.9 µm/m-°C Grade Count:16
CTE, linear, Transverse to Flow	80.0 - 110 µm/m-°C	Average value: 93.0 µm/m-°C Grade Count:9
Melting Point	160 - 180 °C	Average value: 167 °C Grade Count:22
Deflection Temperature at 0.46 MPa (66 psi)	161 - 176 °C	Average value: 165 °C Grade Count:16
Deflection Temperature at 1.8 MPa (264 psi)	110 - 163 °C	Average value: 152 °C Grade Count:41
Vicat Softening Point	120 - 163 °C	Average value: 154 °C Grade Count:6
Flammability, UL94	HB	Grade Count:35

Processing Properties	Original Value	Comments
Processing Temperature	80.0 - 230 °C	Average value: 169 °C Grade Count:17
Die Temperature	190 - 210 °C	Average value: 199 °C Grade Count:7
Melt Temperature	170 - 230 °C	Average value: 193 °C Grade Count:21
Mold Temperature	45.0 - 121 °C	Average value: 86.9 °C Grade Count:24
Injection Velocity	20.0 - 50.0 mm/sec	Average value: 35.0 mm/sec Grade Count:3
Drying Temperature	80.0 - 121 °C	Average value: 98.0 °C Grade Count:25
Moisture Content	0.150 - 0.200 %	Average value: 0.159 % Grade Count:11
Dew Point	-31.7 °C	Average value: -31.7 °C Grade Count:4
Injection Pressure	30.0 - 140 MPa	Average value: 84.2 MPa Grade Count:19

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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