Borealis HG385MO Polypropylene

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Borealis HG385MO Polypropylene
Categories:	Polymer; Thermoplastic; Polypropylene (PP)
Material Notes:	HG385MO is a polypropylene homopolymer intended for injection molding. This grade combines unique Borstar® reactor design with Borstar® nucleation technology to produce highly-crystalline polypropylene. This product is characterized by excellent flow properties combined with a narrow molecular weight distribution well suited for low distortion products. This grade contains anti-static and slip additives, which result in short cycle time, good demolding and low dust attraction. Products molded from this grade exhibit excellent dimension consistency combined with high stiffness. Applications: caps and closures, and items requiring good antistatic properties. Information provided by Borealis AG
Key Words:	PP
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Physical Properties	Metric	English	Comments

Density	0.910 g/cc	0.0329 lb/in³	ISO 1183
Linear Mold Shrinkage	0.010 - 0.020 cm/cm	0.010 - 0.020 in/in
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 Properties	Metric	English	Comments
Hardness, Rockwell R	98	98	ISO 2039-2
Tensile Strength, Yield	36.5 MPa	5290 psi	50mm/min; ISO 527-2
Elongation at Yield	8.0 %	8.0 %	50mm/min; ISO 527-2
Tensile Modulus	1.75 GPa	254 ksi	1mm/min; ISO 527-2
Charpy Impact, Notched	0.350 J/cm² @Temperature 23.0 °C	1.67 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eA

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	115 °C	239 °F	ISO 75-2

Processing Properties	Metric	English	Comments
Melt Temperature	220 - 260 °C	428 - 500 °F
Mold Temperature	10.0 - 30.0 °C	50.0 - 86.0 °F
Hold Pressure	20.0 - 50.0 MPa	2900 - 7250 psi

Descriptive Properties
Injection Velocity	highest possible

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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PBOREA491 / 108750

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