Borealis BC545MO Polypropylene Copolymer

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Borealis BC545MO Polypropylene Copolymer
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene Copolymer
Material Notes:	BC545MO is a low-blush polypropylene heterophasic copolymer intended for injection molding. This grade features high impact strength, high thermal stability and very good process ability. As all polypropylenes, this grade shows excellent stress-cracking and chemical resistances. This grade is characterized by combination of high stiffness, very high impact strength and low stress whitening. This grade is mildly nucleated to maximize the stiffness-impact balance. The additive formulation provides long-term heat stability. Its very good organoleptic properties allows this grade to be used with any master batch without discoloring problems. Applications: suitcases, battery cases, crates and boxes, and technical parts. Information provided by Borealis AG
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Physical Properties	Original Value	Comments

Density	0.908 g/cc	ISO 1183
Linear Mold Shrinkage	0.010 - 0.020 cm/cm
Melt Flow	3.5 g/10 min @Load 2.16 kg, Temperature 230 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	80	ISO 2039-2
Tensile Strength, Yield	25.0 MPa	50mm/min; ISO 527-2
Elongation at Yield	8.0 %	50mm/min; ISO 527-2
Tensile Modulus	1250 MPa	1mm/min; ISO 527-2
Charpy Impact, Notched	6.00 kJ/m² @Temperature -20.0 °C	ISO 179/1eA
	15.0 kJ/m² @Temperature 23.0 °C	ISO 179/1eA
Puncture Energy	36.0 J @Temperature 0.000 °C	ISO 6603-2
	40.0 J @Temperature -20.0 °C	ISO 6603-2

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	91.0 °C	ISO 75-2

Processing Properties	Original Value	Comments
Melt Temperature	230 - 260 °C
Mold Temperature	10.0 - 30.0 °C
Hold Pressure	20.0 - 50.0 MPa

Descriptive Properties
Injection Velocity	highest possible

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PBOREA310 / 108570

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