Overview of materials for Styrene Acrylonitrile (SAN), Molded

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Overview of materials for Styrene Acrylonitrile (SAN), Molded
Categories:	Polymer; Thermoplastic; SAN Polymer; Styrene Acrylonitrile (SAN), Molded
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Styrene Acrylonitrile (SAN), Molded". 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	0.901 - 1.36 g/cc	Average value: 1.07 g/cc Grade Count:86
Water Absorption	0.200 - 0.300 %	Average value: 0.275 % Grade Count:4
Moisture Absorption at Equilibrium	0.200 - 0.300 %	Average value: 0.267 % Grade Count:6
Linear Mold Shrinkage	0.00200 - 0.00700 cm/cm	Average value: 0.00421 cm/cm Grade Count:47
Melt Flow	0.900 - 120 g/10 min	Average value: 21.5 g/10 min Grade Count:87

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	67.0 - 120	Average value: 84.1 Grade Count:21
Hardness, Rockwell R	77.0 - 127	Average value: 113 Grade Count:18
Ball Indentation Hardness	155 - 175 MPa	Average value: 162 MPa Grade Count:10
Tensile Strength, Ultimate	16.6 - 113 MPa	Average value: 68.0 MPa Grade Count:61
	104 - 104 MPa @Temperature -40.0 - -40.0 °C	Average value: 104 MPa Grade Count:1
Tensile Strength, Yield	25.8 - 85.5 MPa	Average value: 66.1 MPa Grade Count:48
	32.0 - 32.0 MPa @Temperature 80.0 - 80.0 °C	Average value: 32.0 MPa Grade Count:1
Elongation at Break	1.50 - 900 %	Average value: 24.7 % Grade Count:53
	3.70 - 3.70 % @Temperature -40.0 - -40.0 °C	Average value: 3.70 % Grade Count:1
Elongation at Yield	1.70 - 20.0 %	Average value: 6.31 % Grade Count:10
	2.10 - 2.10 % @Temperature 80.0 - 80.0 °C	Average value: 2.10 % Grade Count:1
Modulus of Elasticity	2.90 - 3.80 GPa	Average value: 3.50 GPa Grade Count:28
Flexural Yield Strength	53.0 - 155 MPa	Average value: 105 MPa Grade Count:59
Flexural Modulus	0.848 - 6.85 GPa	Average value: 3.22 GPa Grade Count:56
Izod Impact, Notched	0.101 - 5.69 J/cm	Average value: 0.792 J/cm Grade Count:36
	0.26695 - 0.64068 J/cm @Temperature -20.0 - 3.89 °C	Average value: 0.411 J/cm Grade Count:3
Izod Impact, Unnotched	0.149 - 2.14 J/cm	Average value: 0.564 J/cm Grade Count:5
Izod Impact, Notched (ISO)	1.70 - 18.9 kJ/m²	Average value: 3.93 kJ/m² Grade Count:23
	2.00 - 6.006 kJ/m² @Temperature -30.0 - 3.89 °C	Average value: 3.08 kJ/m² Grade Count:6
Izod Impact, Unnotched (ISO)	15.0 - 20.6 kJ/m²	Average value: 17.1 kJ/m² Grade Count:7
Charpy Impact Unnotched	1.00 - 2.90 J/cm²	Average value: 1.80 J/cm² Grade Count:26
	1.50 - 2.10 J/cm² @Temperature -30.0 - -30.0 °C	Average value: 1.80 J/cm² Grade Count:12
Charpy Impact, Notched	0.100 - 0.600 J/cm²	Average value: 0.209 J/cm² Grade Count:31
	0.150 - 0.150 J/cm² @Temperature -30.0 - -30.0 °C	Average value: 0.150 J/cm² Grade Count:1
Tensile Creep Modulus, 1 hour	3500 MPa	Average value: 3500 MPa Grade Count:3
Tensile Creep Modulus, 1000 hours	2800 MPa	Average value: 2800 MPa Grade Count:3

Electrical Properties	Original Value	Comments
Electrical Resistivity	1.00e+13 - 1.00e+16 ohm-cm	Average value: 2.63e+15 ohm-cm Grade Count:16
Surface Resistance	1.00e+13 - 1.00e+15 ohm	Average value: 8.74e+14 ohm Grade Count:15
Dielectric Constant	2.70 - 3.10	Average value: 2.97 Grade Count:6
Dielectric Strength	30.0 - 34.0 kV/mm	Average value: 31.3 kV/mm Grade Count:3
Dissipation Factor	0.00400 - 0.00800	Average value: 0.00583 Grade Count:6
Arc Resistance	120 - 180 sec	Average value: 150 sec Grade Count:3
Comparative Tracking Index	400 - 600 V	Average value: 500 V Grade Count:6
Hot Wire Ignition, HWI	15.0 - 30.0 sec	Average value: 22.5 sec Grade Count:3
High Amp Arc Ignition, HAI	120 arcs	Average value: 120 arcs Grade Count:3
High Voltage Arc-Tracking Rate, HVTR	10.0 mm/min	Average value: 10.0 mm/min Grade Count:3

Thermal Properties	Original Value	Comments
CTE, linear	36.0 - 70.0 µm/m-°C	Average value: 59.7 µm/m-°C Grade Count:30
Thermal Conductivity	0.113 - 0.195 W/m-K	Average value: 0.164 W/m-K Grade Count:5
Deflection Temperature at 0.46 MPa (66 psi)	78.9 - 120 °C	Average value: 99.3 °C Grade Count:16
Deflection Temperature at 1.8 MPa (264 psi)	52.8 - 104 °C	Average value: 90.2 °C Grade Count:73
Vicat Softening Point	43.0 - 220 °C	Average value: 104 °C Grade Count:61
Glass Transition Temp, Tg	102 - 104 °C	Average value: 103 °C Grade Count:9
Flammability, UL94	HB - 5VA	Grade Count:61
Oxygen Index	18.0 - 19.5 %	Average value: 18.7 % Grade Count:6

Optical Properties	Original Value	Comments
Refractive Index	1.56 - 1.57	Average value: 1.57 Grade Count:3
Haze	0.450 - 60.0 %	Average value: 8.14 % Grade Count:8
Gloss	66.0 - 92.0 %	Average value: 77.3 % Grade Count:3
Transmission, Visible	80.0 - 91.0 %	Average value: 89.3 % Grade Count:23

Processing Properties	Original Value	Comments
Processing Temperature	180 - 280 °C	Average value: 233 °C Grade Count:8
Nozzle Temperature	204 - 229 °C	Average value: 217 °C Grade Count:3
Melt Temperature	160 - 260 °C	Average value: 217 °C Grade Count:11
Mold Temperature	20.0 - 98.0 °C	Average value: 59.9 °C Grade Count:17
Injection Velocity	200 mm/sec	Average value: 200 mm/sec Grade Count:3
Drying Temperature	71.1 - 85.0 °C	Average value: 79.1 °C Grade Count:16
Injection Pressure	4.90 - 137 MPa	Average value: 79.8 MPa Grade Count:5

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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