Overview of materials for Syndiotactic Polystyrene (SPS) with Glass or Carbon Fiber

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Overview of materials for Syndiotactic Polystyrene (SPS) with Glass or Carbon Fiber
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Syndiotactic Polystyrene (SPS); Syndiotactic Polystyrene (SPS) with Glass or Carbon Fiber
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Syndiotactic Polystyrene (SPS) with Glass or Carbon Fiber". 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	1.08 - 1.54 g/cc	Average value: 1.30 g/cc Grade Count:82
Filler Content	10.0 - 40.0 %	Average value: 27.9 % Grade Count:55
Water Absorption	0.00900 - 0.0900 %	Average value: 0.0125 % Grade Count:31
Moisture Absorption at Equilibrium	0.0100 - 0.450 %	Average value: 0.0414 % Grade Count:34
Linear Mold Shrinkage	0.00100 - 0.00900 cm/cm	Average value: 0.00293 cm/cm Grade Count:69
Linear Mold Shrinkage, Transverse	0.00200 - 0.0110 cm/cm	Average value: 0.00580 cm/cm Grade Count:40

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	65.5 - 175 MPa	Average value: 114 MPa Grade Count:77
Tensile Strength, Yield	92.0 - 132 MPa	Average value: 113 MPa Grade Count:19
Elongation at Break	0.600 - 3.00 %	Average value: 1.85 % Grade Count:64
Modulus of Elasticity	4.14 - 24.1 GPa	Average value: 9.99 GPa Grade Count:72
Flexural Yield Strength	103 - 250 MPa	Average value: 173 MPa Grade Count:64
Flexural Modulus	4.14 - 24.1 GPa	Average value: 9.85 GPa Grade Count:69
Izod Impact, Notched	0.427 - 1.49 J/cm	Average value: 0.875 J/cm Grade Count:47
Izod Impact, Unnotched	1.44 - 13.3 J/cm	Average value: 4.15 J/cm Grade Count:27
Izod Impact, Notched (ISO)	3.70 - 13.0 kJ/m²	Average value: 10.5 kJ/m² Grade Count:36
Izod Impact, Unnotched (ISO)	18.0 - 57.0 kJ/m²	Average value: 35.5 kJ/m² Grade Count:35
Charpy Impact Unnotched	2.30 - 6.80 J/cm²	Average value: 3.99 J/cm² Grade Count:34
Charpy Impact, Notched	0.800 - 1.40 J/cm²	Average value: 1.12 J/cm² Grade Count:34

Electrical Properties	Original Value	Comments
Electrical Resistivity	1.00e+14 - 1.30e+18 ohm-cm	Average value: 4.73e+16 ohm-cm Grade Count:34
Dielectric Constant	2.80 - 3.50	Average value: 3.07 Grade Count:35
Dielectric Strength	17.0 - 50.0 kV/mm	Average value: 30.7 kV/mm Grade Count:48
Dissipation Factor	0.000600 - 0.0690	Average value: 0.00431 Grade Count:43
Arc Resistance	60.0 - 180 sec	Average value: 123 sec Grade Count:26
Comparative Tracking Index	250 - 600 V	Average value: 472 V Grade Count:36
Hot Wire Ignition, HWI	0.000 - 120 sec	Average value: 66.1 sec Grade Count:19
High Amp Arc Ignition, HAI	30.0 - 120 arcs	Average value: 117 arcs Grade Count:19
High Voltage Arc-Tracking Rate, HVTR	0.000 - 150 mm/min	Average value: 31.1 mm/min Grade Count:14

Thermal Properties	Original Value	Comments
CTE, linear	15.0 - 42.3 µm/m-°C	Average value: 22.6 µm/m-°C Grade Count:47
	18.0 - 18.0 µm/m-°C @Temperature 100 - 100 °C	Average value: 18.0 µm/m-°C Grade Count:1
CTE, linear, Transverse to Flow	29.0 - 81.0 µm/m-°C	Average value: 49.1 µm/m-°C Grade Count:33
Deflection Temperature at 0.46 MPa (66 psi)	140 - 270 °C	Average value: 260 °C Grade Count:51
Deflection Temperature at 1.8 MPa (264 psi)	132 - 265 °C	Average value: 229 °C Grade Count:70
Vicat Softening Point	255 - 263 °C	Average value: 262 °C Grade Count:14
UL RTI, Electrical	50.0 - 130 °C	Average value: 86.9 °C Grade Count:28
UL RTI, Mechanical with Impact	50.0 - 120 °C	Average value: 84.1 °C Grade Count:28
UL RTI, Mechanical without Impact	50.0 - 130 °C	Average value: 85.2 °C Grade Count:28
Flammability, UL94	HB - 5VA	Grade Count:53

Processing Properties	Original Value	Comments
Processing Temperature	271 - 327 °C	Average value: 299 °C Grade Count:5
Melt Temperature	270 - 327 °C	Average value: 301 °C Grade Count:63
Mold Temperature	40.0 - 155 °C	Average value: 113 °C Grade Count:68
Drying Temperature	80.0 - 120 °C	Average value: 96.3 °C Grade Count:49
Moisture Content	0.0200 %	Average value: 0.0200 % Grade Count:20
Dew Point	-28.9 °C	Average value: -28.9 °C Grade Count:20
Injection Pressure	68.9 - 103 MPa	Average value: 86.2 MPa Grade Count:25

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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