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Elmet Technologies

Chi Mei Polyrex® PH-888H Polystyrene - High Impact
Categories: Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Heat Resistant Grade; Polystyrene, Impact Modified

Material Notes: High FDI; high heat

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Physical PropertiesMetricEnglishComments
Density 1.05 g/cc0.0379 lb/in³ISO 1183
Melt Flow 3.8 g/10 min
@Load 10.0 kg,
Temperature 220 °C
3.8 g/10 min
@Load 22.0 lb,
Temperature 428 °F
Melt Volume Rate (ml/10 min); ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Ball Indentation Hardness 81.0 MPa11700 psiH358/30; ISO 2039-1
Tensile Strength at Break 30.0 MPa4350 psi50 mm/min; ISO 527
Tensile Strength, Yield 30.0 MPa4350 psi50 mm/min; ISO 527
Elongation at Break 58 %58 %50 mm/min; ISO 527
Flexural Strength 39.0 MPa5660 psi2 mm/min; ISO 178
Flexural Modulus 1.50 GPa218 ksi2 mm/min; ISO 178
Izod Impact, Notched (ISO) 8.00 kJ/m²3.81 ft-lb/in²ISO 180/1A
Izod Impact, Unnotched (ISO) NBNBISO 180/1C
Charpy Impact Unnotched NBNBISO 179
Charpy Impact, Notched 0.900 J/cm²4.28 ft-lb/in²ISO 179
Impact 8.08.0Impact Flexural Test Notched (KJ/m²)
 9090Impact Flexural Test Unnotched (KJ/m²)
 
Thermal PropertiesMetricEnglishComments
Deflection Temperature at 1.8 MPa (264 psi) 77.0 °C171 °Funannealed; ISO 75
 96.0 °C205 °Fannealed; ISO 75
Vicat Softening Point  92.0 °C
@Load 5.00 kg
198 °F
@Load 11.0 lb
50°C/hr; ISO 306
 95.0 °C
@Load 5.00 kg
203 °F
@Load 11.0 lb
120°C/hr; ISO 306
 102 °C
@Load 1.00 kg
216 °F
@Load 2.20 lb
50°C/hr; ISO 306
 107 °C
@Load 1.00 kg
225 °F
@Load 2.20 lb
120°C/hr; ISO 306
Flammability, UL94 HB
@Thickness 1.59 mm
HB
@Thickness 0.0625 in
UL 94

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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