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Overview of materials for Polystyrene, Extrusion Grade

Category Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Extrusion Grade
Manufacturer
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
This property data is a summary of similar materials in the MatWeb database for the category "Polystyrene, Extrusion Grade". 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.
Physical Properties Metric English Comments
Density 0.0280 - 1.10 g/cc
0.00101 - 0.0397 lb/in³
Average value: 0.876 g/cc Grade Count:36
Water Absorption 0.0300 - 5.00 %
0.0300 - 5.00 %
Average value: 1.26 % Grade Count:11
Moisture Absorption at Equilibrium 0.100 %
0.100 %
Average value: 0.100 % Grade Count:4
Water Vapor Transmission 50.0 - 200 g/m²/day
3.22 - 12.9 g/100 in²/day
Average value: 126 g/m²/day Grade Count:6
Linear Mold Shrinkage 0.00300 - 0.00700 cm/cm
0.00300 - 0.00700 in/in
Average value: 0.00518 cm/cm Grade Count:20
Melt Flow 1.60 - 23.0 g/10 min
1.60 - 23.0 g/10 min
Average value: 5.26 g/10 min Grade Count:27
Mechanical Properties Metric English Comments
Hardness, Rockwell L 63.0 - 93.0
63.0 - 93.0
Average value: 82.7 Grade Count:3
Hardness, Rockwell M 40.0 - 78.0
40.0 - 78.0
Average value: 68.3 Grade Count:14
Ball Indentation Hardness 76.0 - 150 MPa
11000 - 21800 psi
Average value: 125 MPa Grade Count:3
Tensile Strength, Ultimate 0.150 - 51.0 MPa
21.8 - 7400 psi
Average value: 27.7 MPa Grade Count:22
Tensile Strength, Yield 20.0 - 52.4 MPa
2900 - 7600 psi
Average value: 37.8 MPa Grade Count:22
Elongation at Break 1.00 - 70.0 %
1.00 - 70.0 %
Average value: 20.0 % Grade Count:26
Elongation at Yield 2.00 - 50.0 %
2.00 - 50.0 %
Average value: 18.1 % Grade Count:3
Creep Strength 0.0600 - 0.300 MPa
8.70 - 43.5 psi
Average value: 0.156 MPa Grade Count:6
Modulus of Elasticity 0.00650 - 3.40 GPa
0.943 - 493 ksi
Average value: 1.65 GPa Grade Count:22
Flexural Yield Strength 0.500 - 107 MPa
72.5 - 15500 psi
Average value: 60.6 MPa Grade Count:29
Flexural Modulus 1.40 - 3.63 GPa
203 - 526 ksi
Average value: 2.67 GPa Grade Count:29
Compressive Yield Strength 0.130 - 0.700 MPa
18.9 - 102 psi
Average value: 0.294 MPa Grade Count:6
Compressive Modulus 0.00500 - 0.0400 GPa
0.725 - 5.80 ksi
Average value: 0.0177 GPa Grade Count:6
Shear Strength 0.200 - 0.300 MPa
29.0 - 43.5 psi
Average value: 0.290 MPa Grade Count:5
Adhesive Bond Strength 0.100 - 0.400 MPa
14.5 - 58.0 psi
Average value: 0.165 MPa Grade Count:5
Izod Impact, Notched 0.160 - 1.40 J/cm
0.300 - 2.62 ft-lb/in
Average value: 0.644 J/cm Grade Count:24
0.42712 - 0.800 J/cm

@Temperature -17.8 - 0.000 °C
0.80017 - 1.50 ft-lb/in

@Temperature 0.000 - 32.0 °F
Average value: 0.614 J/cm Grade Count:2
Charpy Impact Unnotched 0.600 J/cm² - NB
2.86 ft-lb/in² - NB
Average value: 1.30 J/cm² Grade Count:4
Thermal Properties Metric English Comments
CTE, linear 8.00 - 81.0 µm/m-°C
4.44 - 45.0 µin/in-°F
Average value: 52.4 µm/m-°C Grade Count:18
CTE, linear, Transverse to Flow 6.00 µm/m-°C
3.33 µin/in-°F
Average value: 6.00 µm/m-°C Grade Count:6
Thermal Conductivity 0.0300 - 0.180 W/m-K
0.208 - 1.25 BTU-in/hr-ft²-°F
Average value: 0.0389 W/m-K Grade Count:9
0.0240 - 0.0370 W/m-K

@Temperature -80.0 - 50.0 °C
0.167 - 0.257 BTU-in/hr-ft²-°F

@Temperature -112 - 122 °F
Average value: 0.0312 W/m-K Grade Count:5
0.0240 - 0.0370 W/m-K

@Temperature -80.0 - 50.0 °C
0.167 - 0.257 BTU-in/hr-ft²-°F

@Temperature -112 - 122 °F
Average value: 0.0312 W/m-K Grade Count:1
0.0240 - 0.0370 W/m-K

@Thickness 50.0 - 50.0 mm
0.167 - 0.257 BTU-in/hr-ft²-°F

@Thickness 1.97 - 1.97 in
Average value: 0.0312 W/m-K Grade Count:1
Maximum Service Temperature, Air 70.0 - 80.0 °C
158 - 176 °F
Average value: 75.6 °C Grade Count:8
Deflection Temperature at 0.46 MPa (66 psi) 84.0 - 100 °C
183 - 212 °F
Average value: 94.7 °C Grade Count:3
Deflection Temperature at 1.8 MPa (264 psi) 67.8 - 95.0 °C
154 - 203 °F
Average value: 82.1 °C Grade Count:19
Vicat Softening Point 76.0 - 109 °C
169 - 228 °F
Average value: 99.0 °C Grade Count:28
Flammability, UL94 HB
HB
Grade Count:22
Optical Properties Metric English Comments
Refractive Index 1.59 - 1.59
1.59 - 1.59
Average value: 1.59 Grade Count:10
Transmission, Visible 85.0 - 90.0 %
85.0 - 90.0 %
Average value: 88.4 % Grade Count:11
Electrical Properties Metric English Comments
Electrical Resistivity 1.00e+14 - 1.00e+18 ohm-cm
1.00e+14 - 1.00e+18 ohm-cm
Average value: 1.33e+17 ohm-cm Grade Count:8
Surface Resistance 1e+05 - 1.00e+14 ohm
1e+05 - 1.00e+14 ohm
Average value: 2.10e+13 ohm Grade Count:6
Dielectric Constant 2.50
2.50
Average value: 2.50 Grade Count:9
Dielectric Strength 17.7 - 60.0 kV/mm
450 - 1520 kV/in
Average value: 22.6 kV/mm Grade Count:13
Processing Properties Metric English Comments
Melt Temperature 180 - 280 °C
356 - 536 °F
Average value: 231 °C Grade Count:5
Mold Temperature 10.0 - 60.0 °C
50.0 - 140 °F
Average value: 36.3 °C Grade Count:4
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