Borealis MB250WG Polypropylene Compound, Mineral Filled

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Borealis MB250WG Polypropylene Compound, Mineral Filled
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene, Mineral Reinforced
Material Notes:	MB250WG is a 20 % mineral filled polypropylene compound intended for injection molding. Applications: MB250WG has been developed especially for the white goods industry. Washing machine parts, and Dishwashers components. Information provided by Borealis AG
Key Words:	PP
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Physical Properties	Metric	English	Comments

Melt Flow	2.5 g/10 min @Load 2.16 kg, Temperature 230 °C	2.5 g/10 min @Load 4.76 lb, Temperature 446 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	30.0 MPa	4350 psi	ISO 527-2
Elongation at Yield	6.0 %	6.0 %	50mm/min; ISO 527-2
Tensile Modulus	2.40 GPa	348 ksi	1mm/min; ISO 527-2
Flexural Strength	40.0 MPa	5800 psi	5% strain; ISO 178
Flexural Modulus	2.50 GPa	363 ksi	ISO 178
Charpy Impact Unnotched	8.50 J/cm² @Temperature 23.0 °C	40.4 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eU
Charpy Impact, Notched	0.450 J/cm² @Temperature 23.0 °C	2.14 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eA

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	110 °C	230 °F	ISO 75-2
Vicat Softening Point	83.0 °C @Load 5.10 kg	181 °F @Load 11.2 lb	ISO 306

Processing Properties	Metric	English	Comments
Feed Temperature	40.0 - 80.0 °C	104 - 176 °F
Melt Temperature	220 - 260 °C	428 - 500 °F	mass temperature
Mold Temperature	30.0 - 50.0 °C	86.0 - 122 °F
Injection Velocity	100 - 200 mm/sec	3.94 - 7.87 in/sec
Hold Pressure	30.0 - 60.0 MPa	4350 - 8700 psi

Descriptive Properties
Back Pressure	low to medium
Screw Speed	low to medium

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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PBOREA528 / 108787

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