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Polimeri Europa Edistir R 321P Polystyrene

Category Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Impact Modified
Manufacturer Polimeri Europa (Former EniChem)
Trade Name Edistir
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Polimeri Europa Edistir R 321P Polystyrene.pdf
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Material Notes:
Medium impact polystyrene combining easy flow and high stiffness. For injection moulding of parts with low thickness and high rigidity. Designation: Thermoplastics ISO 2897-PS-I,M,083-12-04-30Applications: Typical uses are toys, stationery, small containers for packaging, refrigerator components, point of sales, household wares, disposable razors, technical items.R 321P is certified UL94 HB "all colors" at 1.5 mm (UL file E83071). This grade in its natural version complies by composition with the requirements set by the main Regulations for plastic materials intended for food contact (including the EEC Directive 90/128 and subsequent amendments).Information provided by Polimeri Europa
Physical Properties Metric English Comments
Bulk Density 0.650 g/cc
0.0235 lb/in³
ISO 60
Density 1.04 g/cc
0.0376 lb/in³
ISO 1183
Water Absorption <= 0.10 %
<= 0.10 %
24 hours - 23°C; ISO 62
Linear Mold Shrinkage 0.0040 - 0.0070 cm/cm
0.0040 - 0.0070 in/in
Internal Method
Melt Flow 15 g/10 min

@Load 5.00 kg,
Temperature 200 °C
15 g/10 min

@Load 11.0 lb,
Temperature 392 °F
ISO 1133
Mechanical Properties Metric English Comments
Hardness, Rockwell L 83
83
ISO 2039/2
Tensile Strength at Break 19.0 MPa
2760 psi
50 mm/min; ISO 527
Tensile Strength, Yield 24.0 MPa
3480 psi
50 mm/min; ISO 527
Elongation at Break 40 %
40 %
50 mm/min; ISO 527
Tensile Modulus 2.40 GPa
348 ksi
1 mm/min; ISO 527
Flexural Strength 45.0 MPa
6530 psi
2 mm/min; ISO 178
Izod Impact, Notched 0.680 J/cm

@Thickness 3.20 mm,
Temperature 23.0 °C
1.27 ft-lb/in

@Thickness 0.126 in,
Temperature 73.4 °F
ISO 180/4A
Izod Impact, Notched (ISO) 3.50 kJ/m²

@Thickness 4.00 mm,
Temperature -30.0 °C
1.67 ft-lb/in²

@Thickness 0.157 in,
Temperature -22.0 °F
ISO 180/1A
5.00 kJ/m²

@Thickness 4.00 mm,
Temperature 23.0 °C
2.38 ft-lb/in²

@Thickness 0.157 in,
Temperature 73.4 °F
ISO 180/1A
Thermal Properties Metric English Comments
CTE, linear 90.0 µm/m-°C

@Temperature 20.0 °C
50.0 µin/in-°F

@Temperature 68.0 °F
ASTM D 696
Thermal Conductivity 0.170 W/m-K
1.18 BTU-in/hr-ft²-°F
ISO 8302
Deflection Temperature at 1.8 MPa (264 psi) 80.0 °C
176 °F
120°C/h; ASTM D 648
Vicat Softening Point 85.0 °C
185 °F
50 N - 50°C/h; ISO 306/B
94.0 °C
201 °F
10 N - 50°C/h; ISO 306/A
Flammability, UL94 HB

@Thickness 1.50 mm
HB

@Thickness 0.0591 in
UL94
Glow Wire Test 650 °C

@Thickness 1.60 mm
1200 °F

@Thickness 0.0630 in
IEC 60695-2-1
Electrical Properties Metric English Comments
Volume Resistivity 7.00e+15 ohm-cm
7.00e+15 ohm-cm
IEC 60093
Surface Resistance 1.50e+15 ohm
1.50e+15 ohm
IEC 60093
Dielectric Constant 2.5

@Frequency 50 Hz
2.5

@Frequency 50 Hz
IEC 60250
Dielectric Strength 65.0 kV/mm
1650 kV/in
IEC 60243
Dissipation Factor 0.00030

@Frequency 50 Hz
0.00030

@Frequency 50 Hz
IEC 60250
Comparative Tracking Index 375 V
375 V
Solution A; IEC 60112
Processing Properties Metric English Comments
Melt Temperature 200 - 250 °C
392 - 482 °F
Injection Molding
Mold Temperature 20.0 - 60.0 °C
68.0 - 140 °F
Injection Molding
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