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Chi Mei Polyrex® PG-33 Polystyrene

Category Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Molded, Unreinforced
Manufacturer Chi Mei Corporation (ChiMei)
Trade Name Polyrex®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Chi Mei Polyrex® PG-33 Polystyrene.pdf
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Material Notes:
Standard grade
Physical Properties Metric English Comments
Density 1.05 g/cc
0.0379 lb/in³
ISO 1183
Melt Flow 8.5 g/10 min

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

@Load 22.0 lb,
Temperature 428 °F
Melt Volume Rate (ml/10 min); ISO 1133
Mechanical Properties Metric English Comments
Ball Indentation Hardness 149 MPa
21600 psi
H358/30; ISO 2039-1
Tensile Strength at Break 37.0 MPa
5370 psi
50 mm/min; ISO 527
Tensile Strength, Yield 41.0 MPa
5950 psi
50 mm/min; ISO 527
Elongation at Break 5.0 %
5.0 %
50 mm/min; ISO 527
Flexural Strength 62.0 MPa
8990 psi
2 mm/min; ISO 178
Flexural Modulus 2.40 GPa
348 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) 7.00 kJ/m²
3.33 ft-lb/in²
ISO 180/1C
Charpy Impact Unnotched 0.900 J/cm²
4.28 ft-lb/in²
ISO 179
Charpy Impact, Notched 0.200 J/cm²
0.952 ft-lb/in²
ISO 179
Impact 2.00
2.00
Impact Flexural Test Notched (KJ/m²)
17.0
17.0
Impact Flexural Test Unnotched (KJ/m²)
Thermal Properties Metric English Comments
Deflection Temperature at 1.8 MPa (264 psi) 76.0 °C
169 °F
unannealed; ISO 75
87.0 °C
189 °F
annealed; ISO 75
Vicat Softening Point 89.0 °C

@Load 5.00 kg
192 °F

@Load 11.0 lb
50°C/hr; ISO 306
94.0 °C

@Load 1.00 kg
201 °F

@Load 2.20 lb
50°C/hr; ISO 306
95.0 °C

@Load 5.00 kg
203 °F

@Load 11.0 lb
120°C/hr; ISO 306
96.0 °C

@Load 1.00 kg
205 °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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