Overview of materials for Styrene Acrylonitrile (SAN), Molded

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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	Metric	English	Comments

Density	0.914 - 1.17 g/cc	0.0330 - 0.0423 lb/in³	Average value: 1.07 g/cc Grade Count:38
Water Absorption	0.200 - 0.300 %	0.200 - 0.300 %	Average value: 0.280 % Grade Count:5
Linear Mold Shrinkage	0.00200 - 0.00600 cm/cm	0.00200 - 0.00600 in/in	Average value: 0.00383 cm/cm Grade Count:26
Melt Flow	0.900 - 60.0 g/10 min	0.900 - 60.0 g/10 min	Average value: 14.5 g/10 min Grade Count:41

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	75.0 - 93.0	75.0 - 93.0	Average value: 83.1 Grade Count:10
Hardness, Rockwell R	83.0 - 124	83.0 - 124	Average value: 115 Grade Count:11
Tensile Strength, Ultimate	45.0 - 80.0 MPa	6530 - 11600 psi	Average value: 70.8 MPa Grade Count:27
	96.0 - 104 MPa @Temperature -40.0 - -40.0 °C	13900 - 15100 psi @Temperature -40.0 - -40.0 °F	Average value: 100 MPa Grade Count:2
Tensile Strength, Yield	45.0 - 81.0 MPa	6530 - 11700 psi	Average value: 70.9 MPa Grade Count:22
	32.0 - 40.0 MPa @Temperature 80.0 - 80.0 °C	4640 - 5800 psi @Temperature 176 - 176 °F	Average value: 36.0 MPa Grade Count:2
Elongation at Break	1.50 - 16.0 %	1.50 - 16.0 %	Average value: 4.06 % Grade Count:34
	2.60 - 3.70 % @Temperature -40.0 - -40.0 °C	2.60 - 3.70 % @Temperature -40.0 - -40.0 °F	Average value: 3.15 % Grade Count:2
Elongation at Yield	3.00 - 5.00 %	3.00 - 5.00 %	Average value: 3.67 % Grade Count:3
	2.10 - 2.10 % @Temperature 80.0 - 80.0 °C	2.10 - 2.10 % @Temperature 176 - 176 °F	Average value: 2.10 % Grade Count:2
Modulus of Elasticity	2.90 - 3.80 GPa	421 - 551 ksi	Average value: 3.45 GPa Grade Count:25
Flexural Modulus	3.16 - 4.10 GPa	458 - 595 ksi	Average value: 3.57 GPa Grade Count:25
Flexural Yield Strength	75.8 - 141 MPa	11000 - 20500 psi	Average value: 112 MPa Grade Count:26
Izod Impact, Unnotched	2.14 - 4.10 J/cm	4.00 - 7.68 ft-lb/in	Average value: 3.27 J/cm Grade Count:4
Charpy Impact Unnotched	1.00 - 2.90 J/cm²	4.76 - 13.8 ft-lb/in²	Average value: 1.75 J/cm² Grade Count:17
	1.60 - 2.10 J/cm² @Temperature -30.0 - -30.0 °C	7.61 - 9.99 ft-lb/in² @Temperature -22.0 - -22.0 °F	Average value: 1.82 J/cm² Grade Count:10
Charpy Impact, Notched	0.100 - 0.200 J/cm²	0.476 - 0.952 ft-lb/in²	Average value: 0.180 J/cm² Grade Count:6
Izod Impact, Notched	0.101 - 0.267 J/cm	0.190 - 0.500 ft-lb/in	Average value: 0.169 J/cm Grade Count:27

Electrical Properties	Metric	English	Comments
Electrical Resistivity	1.00e+13 - 1.00e+16 ohm-cm	1.00e+13 - 1.00e+16 ohm-cm	Average value: 1.50e+15 ohm-cm Grade Count:14
Surface Resistance	1.00e+13 - 1.00e+15 ohm	1.00e+13 - 1.00e+15 ohm	Average value: 9.24e+14 ohm Grade Count:13
Dielectric Constant	2.70 - 3.10	2.70 - 3.10	Average value: 2.92 Grade Count:4
Dielectric Strength	30.0 - 34.0 kV/mm	762 - 864 kV/in	Average value: 32.0 kV/mm Grade Count:4
Dissipation Factor	0.00400 - 0.00700	0.00400 - 0.00700	Average value: 0.00571 Grade Count:4
Arc Resistance	120 - 180 sec	120 - 180 sec	Average value: 150 sec Grade Count:6
Comparative Tracking Index	400 - 600 V	400 - 600 V	Average value: 490 V Grade Count:10
Hot Wire Ignition, HWI	15.0 - 30.0 sec	15.0 - 30.0 sec	Average value: 22.5 sec Grade Count:6
High Amp Arc Ignition, HAI	120 arcs	120 arcs	Average value: 120 arcs Grade Count:6
High Voltage Arc-Tracking Rate, HVTR	10.0 mm/min	0.394 in/min	Average value: 10.0 mm/min Grade Count:6

Thermal Properties	Metric	English	Comments
CTE, linear	60.0 - 126 µm/m-°C	33.3 - 70.0 µin/in-°F	Average value: 70.7 µm/m-°C Grade Count:21
Deflection Temperature at 0.46 MPa (66 psi)	91.1 - 104 °C	196 - 219 °F	Average value: 99.7 °C Grade Count:10
Deflection Temperature at 1.8 MPa (264 psi)	78.9 - 104 °C	174 - 219 °F	Average value: 91.9 °C Grade Count:38
Vicat Softening Point	103 - 113 °C	217 - 235 °F	Average value: 107 °C Grade Count:35
Glass Transition Temp, Tg	102 - 104 °C	216 - 219 °F	Average value: 103 °C Grade Count:9
Flammability, UL94	HB	HB	Grade Count:36
Oxygen Index	18.0 - 19.5 %	18.0 - 19.5 %	Average value: 18.6 % Grade Count:7

Optical Properties	Metric	English	Comments
Haze	0.450 - 0.800 %	0.450 - 0.800 %	Average value: 0.590 % Grade Count:5
Transmission, Visible	80.0 - 91.0 %	80.0 - 91.0 %	Average value: 83.0 % Grade Count:15

Processing Properties	Metric	English	Comments
Processing Temperature	220 - 260 °C	428 - 500 °F	Average value: 243 °C Grade Count:6
Mold Temperature	38.0 - 98.0 °C	100 - 208 °F	Average value: 65.0 °C Grade Count:7
Injection Pressure	68.3 - 137 MPa	9900 - 19800 psi	Average value: 97.0 MPa Grade Count:3

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 disclaimer and terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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