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Overview of materials for Polystyrene, Heat Resistant Grade

Category Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Heat Resistant Grade
Manufacturer
Trade Name
Port Ningbo 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, Heat Resistant 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 1.04 - 1.19 g/cc
0.0376 - 0.0430 lb/in³
Average value: 1.05 g/cc Grade Count:99
Water Absorption 0.000 - 0.100 %
0.000 - 0.100 %
Average value: 0.0459 % Grade Count:22
Moisture Absorption at Equilibrium 0.100 %
0.100 %
Average value: 0.100 % Grade Count:10
Water Absorption at Saturation 0.100 %
0.100 %
Average value: 0.100 % Grade Count:8
Maximum Moisture Content 0.0100
0.0100
Average value: 0.0100 Grade Count:4
Linear Mold Shrinkage 0.00200 - 0.0114 cm/cm
0.00200 - 0.0114 in/in
Average value: 0.00556 cm/cm Grade Count:81
Melt Flow 1.00 - 120 g/10 min
1.00 - 120 g/10 min
Average value: 7.88 g/10 min Grade Count:103
Spiral Flow 43.0 - 62.0 cm

@Temperature 220 - 220 °C
16.9 - 24.4 in

@Temperature 428 - 428 °F
Average value: 51.9 cm Grade Count:7
Mechanical Properties Metric English Comments
Hardness, Rockwell L 40.0 - 110
40.0 - 110
Average value: 97.7 Grade Count:22
Hardness, Rockwell M 45.0 - 78.0
45.0 - 78.0
Average value: 74.3 Grade Count:22
Hardness, Rockwell R 91.0 - 121
91.0 - 121
Average value: 105 Grade Count:11
Ball Indentation Hardness 81.0 - 150 MPa
11700 - 21800 psi
Average value: 140 MPa Grade Count:16
Tensile Strength, Ultimate 22.0 - 62.0 MPa
3190 - 8990 psi
Average value: 46.6 MPa Grade Count:71
18.0 - 18.0 MPa

@Temperature 60.0 - 60.0 °C
2610 - 2610 psi

@Temperature 140 - 140 °F
Average value: 18.0 MPa Grade Count:1
Tensile Strength, Yield 20.0 - 59.0 MPa
2900 - 8560 psi
Average value: 44.9 MPa Grade Count:54
Elongation at Break 1.50 - 60.0 %
1.50 - 60.0 %
Average value: 10.7 % Grade Count:92
Elongation at Yield 1.50 - 3.00 %
1.50 - 3.00 %
Average value: 1.95 % Grade Count:8
Modulus of Elasticity 1.75 - 3.38 GPa
254 - 490 ksi
Average value: 2.92 GPa Grade Count:79
Flexural Yield Strength 39.0 - 106 MPa
5660 - 15400 psi
Average value: 80.3 MPa Grade Count:65
Flexural Modulus 1.50 - 3.45 GPa
218 - 500 ksi
Average value: 2.98 GPa Grade Count:76
1.90 - 1.90 GPa

@Temperature 60.0 - 60.0 °C
276 - 276 ksi

@Temperature 140 - 140 °F
Average value: 1.90 GPa Grade Count:1
Izod Impact, Notched 0.0981 - 1.30 J/cm
0.184 - 2.44 ft-lb/in
Average value: 0.294 J/cm Grade Count:58
0.400 - 0.500 J/cm

@Temperature -40.0 - -20.0 °C
0.749 - 0.937 ft-lb/in

@Temperature -40.0 - -4.00 °F
Average value: 0.168 J/cm Grade Count:1
0.0980665 - 0.0980665 J/cm

@Temperature -30.0 - -30.0 °C
0.183719 - 0.183719 ft-lb/in

@Temperature -22.0 - -22.0 °F
Average value: 0.168 J/cm Grade Count:4
0.0980665 - 0.0980665 J/cm

@Thickness 6.40 - 6.40 mm
0.183719 - 0.183719 ft-lb/in

@Thickness 0.252 - 0.252 in
Average value: 0.168 J/cm Grade Count:4
Izod Impact, Notched (ISO) 1.50 - 10.0 kJ/m²
0.714 - 4.76 ft-lb/in²
Average value: 6.68 kJ/m² Grade Count:11
Izod Impact, Unnotched (ISO) 7.00 kJ/m² - NB
3.33 ft-lb/in² - NB
Average value: 10.2 kJ/m² Grade Count:6
Charpy Impact Unnotched 0.500 J/cm² - NB
2.38 ft-lb/in² - NB
Average value: 1.61 J/cm² Grade Count:26
3.50 - 3.50 J/cm²

@Temperature -40.0 - -20.0 °C
16.7 - 16.7 ft-lb/in²

@Temperature -40.0 - -4.00 °F
Average value: 3.50 J/cm² Grade Count:1
Charpy Impact, Notched 0.100 - 0.900 J/cm²
0.476 - 4.28 ft-lb/in²
Average value: 0.325 J/cm² Grade Count:6
Thermal Properties Metric English Comments
CTE, linear 50.0 - 91.0 µm/m-°C
27.8 - 50.6 µin/in-°F
Average value: 81.3 µm/m-°C Grade Count:46
Thermal Conductivity 0.123 - 0.170 W/m-K
0.854 - 1.18 BTU-in/hr-ft²-°F
Average value: 0.158 W/m-K Grade Count:9
Hot Ball Pressure Test 90.0 °C
194 °F
Average value: 90.0 °C Grade Count:4
Deflection Temperature at 0.46 MPa (66 psi) 82.8 - 100 °C
181 - 212 °F
Average value: 94.2 °C Grade Count:37
Deflection Temperature at 1.8 MPa (264 psi) 75.0 - 120 °C
167 - 248 °F
Average value: 88.8 °C Grade Count:92
Vicat Softening Point 81.0 - 130 °C
178 - 266 °F
Average value: 103 °C Grade Count:101
109 - 109 °C

@Temperature 120 - 120 °C
228 - 228 °F

@Temperature 248 - 248 °F
Average value: 109 °C Grade Count:2
109 - 109 °C

@Load 1.02 - 1.02 kg
228 - 228 °F

@Load 2.25 - 2.25 lb
Average value: 109 °C Grade Count:2
Heat Distortion Temperature 78.9 - 98.9 °C
174 - 210 °F
Average value: 84.8 °C Grade Count:10
Glass Transition Temp, Tg 89.0 - 104 °C
192 - 219 °F
Average value: 98.0 °C Grade Count:7
UL RTI, Electrical 50.0 °C
122 °F
Average value: 50.0 °C Grade Count:4
UL RTI, Mechanical with Impact 50.0 °C
122 °F
Average value: 50.0 °C Grade Count:4
UL RTI, Mechanical without Impact 50.0 °C
122 °F
Average value: 50.0 °C Grade Count:4
Flammability, UL94 HB - V-0
HB - V-0
Grade Count:53
Oxygen Index 18.0 %
18.0 %
Average value: 18.0 % Grade Count:7
Glow Wire Test 650 - 960 °C
1200 - 1760 °F
Average value: 783 °C Grade Count:6
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: 2.90e+17 ohm-cm Grade Count:28
Surface Resistance 1.00e+13 - 1.00e+15 ohm
1.00e+13 - 1.00e+15 ohm
Average value: 1.64e+14 ohm Grade Count:35
Dielectric Constant 2.00 - 2.70
2.00 - 2.70
Average value: 2.40 Grade Count:35
Dielectric Strength 19.7 - 160 kV/mm
500 - 4060 kV/in
Average value: 67.3 kV/mm Grade Count:47
Dissipation Factor 0.0000500 - 0.00200
0.0000500 - 0.00200
Average value: 0.000491 Grade Count:16
Arc Resistance 120 - 180 sec
120 - 180 sec
Average value: 150 sec Grade Count:4
Comparative Tracking Index 250 - 350 V
250 - 350 V
Average value: 308 V Grade Count:12
Hot Wire Ignition, HWI 7.00 - 30.0 sec
7.00 - 30.0 sec
Average value: 16.8 sec Grade Count:4
High Amp Arc Ignition, HAI 60.0 - 120 arcs
60.0 - 120 arcs
Average value: 105 arcs Grade Count:4
High Voltage Arc-Tracking Rate, HVTR 10.0 - 50.0 mm/min
0.394 - 1.97 in/min
Average value: 32.7 mm/min Grade Count:4
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