Borealis HH450MO Polypropylene

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Borealis HH450MO Polypropylene (discontinued **)
Categories:	Polymer; Thermoplastic; Polypropylene (PP)
Material Notes:	HH450MO is a polypropylene homopolymer intended for injection molding. This grade is especially suitable for high-speed injection molding of articles demanding easy flow. This polymer is a CR (controlled rheology) grade with narrow molecular weight distribution giving low warpage. Applications: containers and products with medium to long flow length, rectangular and flat products like lids and trays, pharmaceutical & diagnostic packaging, and medical applications. Information provided by Borealis AG
Key Words:	PP
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Physical Properties	Metric	English	Comments

Density	0.902 g/cc	0.0326 lb/in³	ISO 1183
Melt Flow	37 g/10 min @Load 2.16 kg, Temperature 230 °C	37 g/10 min @Load 4.76 lb, Temperature 446 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	97	97	ISO 2039-2
Tensile Strength, Yield	34.0 MPa	4930 psi	50mm/min; ISO 527-2
Elongation at Yield	9.0 %	9.0 %	50mm/min; ISO 527-2
Tensile Modulus	1.65 GPa	239 ksi	1mm/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 Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	80.0 °C	176 °F	ISO 75-2

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

Descriptive Properties
Injection Velocity	high

**
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PBOREA497 / 108756

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