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Rulon Bearings

Total PPM H250 Polypropylene, Homopolymer Medical Grade
Categories: Polymer; Thermoplastic; Polypropylene (PP); Polypropylene, Molded

Material Notes: Polypropylene PPM H250 is a narrow molecular weight distribution homopolymer with a Melt Flow Index of 25 g/10 min recommended for the manufacture of medical packaging and medical devices, to the exclusion of implants.

Information provided by Total Petrochemicals.

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Physical PropertiesMetricEnglishComments
Specific Gravity 0.905 g/cc0.905 g/ccISO 1183
Bulk Density 0.525 g/cc0.0190 lb/in³ISO 1183
Melt Flow 25 g/10 min
@Load 2.16 kg,
Temperature 230 °C
25 g/10 min
@Load 4.76 lb,
Temperature 446 °F
ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 9090ISO 2039-2
Tensile Strength, Yield 32.0 MPa4640 psiISO 527-2
Elongation at Yield <= 10 %<= 10 %ISO 527-2
Tensile Modulus 1.35 GPa196 ksiISO 527-2
Flexural Modulus 1.25 GPa181 ksiISO 179
Izod Impact, Notched (ISO) 3.50 kJ/m²1.67 ft-lb/in²ISO 180
Charpy Impact, Notched 0.500 J/cm²2.38 ft-lb/in²ISO 179
 
Thermal PropertiesMetricEnglishComments
Melting Point 165 °C329 °FISO 3146
Deflection Temperature at 0.46 MPa (66 psi) 95.0 °C203 °F120°C per hour; ISO 752
Deflection Temperature at 1.8 MPa (264 psi) 52.0 °C126 °F120°C per hour; ISO 752
Vicat Softening Point  80.0 °C
@Load 5.10 kg
176 °F
@Load 11.2 lb
50°C per hour; ISO 306
 148 °C
@Load 1.02 kg
298 °F
@Load 2.25 lb
50°C per hour; ISO 306

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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PTOTAL877 / 130602

Aluminum Castings

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