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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
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

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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