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Chi Mei Polyrex® PG-22 Polystyrene

Category Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Molded, Unreinforced
Manufacturer Chi Mei Corporation (ChiMei)
Trade Name Polyrex®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Chi Mei Polyrex® PG-22 Polystyrene.pdf
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Material Notes:
TPE compound
Physical Properties Metric English Comments
Density 1.04 g/cc
0.0376 lb/in³
ISO 1183
Melt Flow 18.8 g/10 min

@Load 10.0 kg,
Temperature 220 °C
 18.8 g/10 min

@Load 22.0 lb,
Temperature 428 °F
 Melt Volume Rate (ml/10 min); ISO 1133
Mechanical Properties Metric English Comments
Tensile Strength at Break 40.0 MPa
5800 psi
50 mm/min; ISO 527
Tensile Strength, Yield 40.0 MPa
5800 psi
50 mm/min; ISO 527
Elongation at Break 3.0 %
3.0 %
50 mm/min; ISO 527
Flexural Strength 68.0 MPa
9860 psi
2 mm/min; ISO 178
Flexural Modulus 3.00 GPa
435 ksi
2 mm/min; ISO 178
Izod Impact, Notched (ISO) 2.00 kJ/m²
0.952 ft-lb/in²
ISO 180/1A
Izod Impact, Unnotched (ISO) 6.00 kJ/m²
2.86 ft-lb/in²
ISO 180/1C
Charpy Impact Unnotched 0.700 J/cm²
3.33 ft-lb/in²
ISO 179
Charpy Impact, Notched 0.200 J/cm²
0.952 ft-lb/in²
ISO 179
Thermal Properties Metric English Comments
Deflection Temperature at 1.8 MPa (264 psi) 73.0 °C
163 °F
unannealed; ISO 75
Vicat Softening Point 88.0 °C

@Load 5.00 kg
 190 °F

@Load 11.0 lb
 50°C/hr; ISO 306
91.0 °C

@Load 5.00 kg
 196 °F

@Load 11.0 lb
 120°C/hr; ISO 306
93.0 °C

@Load 1.00 kg
 199 °F

@Load 2.20 lb
 50°C/hr; ISO 306
97.0 °C

@Load 1.00 kg
 207 °F

@Load 2.20 lb
 120°C/hr; ISO 306
Flammability, UL94 HB

@Thickness 1.59 mm
 HB

@Thickness 0.0625 in
 UL 94
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