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Master Bond adhesives

Borealis HJ320MO Polypropylene
Categories: Polymer; Thermoplastic; Polypropylene (PP)

Material Notes: HJ320MO is a polypropylene homopolymer intended for injection molding. Its very high melt flow makes it especially suitable for thin-wall packaging and products with long flow length. This grade is characterized by the unique combination of very high flow, excellent stiffness and excellent organoleptic properties. This grade is designed for high-speed injection molding and contains nucleating and antistatic additives. Components molded from this grade show good ejectability and combine excellent stiffness with good transparency and gloss, very good color, excellent organoleptic properties and good impact strength at ambient temperatures. Applications: thin wall containers, closures, and products with thicker wall sections requiring short cycle time.

Information provided by Borealis AG

Key Words: PP
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Physical PropertiesMetricEnglishComments
Density 0.910 g/cc0.0329 lb/in³ISO 1183
Linear Mold Shrinkage 0.010 - 0.020 cm/cm0.010 - 0.020 in/in
Melt Flow 55 g/10 min
@Load 2.16 kg,
Temperature 230 °C
55 g/10 min
@Load 4.76 lb,
Temperature 446 °F
ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 107107ISO 2039-2
Tensile Strength, Yield 38.0 MPa5510 psi50mm/min; ISO 527-2
Elongation at Yield 7.5 %7.5 %50mm/min; ISO 527-2
Tensile Modulus 1.80 GPa261 ksi1mm/min; ISO 527-2
Charpy Impact, Notched 0.200 J/cm²
@Temperature 23.0 °C
0.952 ft-lb/in²
@Temperature 73.4 °F
ISO 179/1eA
 
Thermal PropertiesMetricEnglishComments
Deflection Temperature at 0.46 MPa (66 psi) 115 °C239 °FISO 75-2
 
Processing PropertiesMetricEnglishComments
Melt Temperature 210 - 250 °C410 - 482 °F
Mold Temperature 30.0 - 40.0 °C86.0 - 104 °F
Hold Pressure 20.0 - 50.0 MPa2900 - 7250 psi
 
Descriptive Properties
Injection Velocityhigh

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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PBOREA498 / 108757

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