Borealis KSR4525 Polypropylene Reactor Elastomer Modified

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Borealis KSR4525 Polypropylene Reactor Elastomer Modified
Categories:	Polymer; Thermoplastic; Polypropylene (PP)
Material Notes:	KSR4525 is a reactor elastomer modified polypropylene intended for injection molding. KSR4525 is a material with excellent impact/stiffness ratio. The grade is available in natural color. KSR4525 has been developed for bumper fascias and exterior trims. Former trade name for this product was Daplen™. Information provided by the Manufacturer.
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Physical Properties	Original Value	Comments

Density	0.905 g/cc	ISO 1183
Linear Mold Shrinkage	0.016 cm/cm	Borealis Method
Melt Flow	7.0 g/10 min @Load 2.16 kg, Temperature 230 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	2900 psi	At 50 mm/min; ISO 527-2
Tensile Modulus	0.940 GPa	At 1 mm/min; ISO 527-2
Flexural Modulus	0.970 GPa	At 2 mm/min; ISO 178
Izod Impact, Notched (ISO)	6.00 kJ/m² @Temperature -20.0 °C	ISO 180/1A
Charpy Impact Unnotched	NB	ISO 179/1eU
	NB @Temperature -20.0 °C	ISO 179/1eU
Charpy Impact, Notched	2.80 J/cm²	ISO 179/1eA
	0.550 J/cm² @Temperature -30.0 °C	ISO 179/1eA
	0.700 J/cm² @Temperature -20.0 °C	ISO 179/1eA

Thermal Properties	Original Value	Comments
CTE, linear	125 µm/m-°C @Temperature 23.0 - 80.0 °C	Borealis Method
Deflection Temperature at 0.46 MPa (66 psi)	70.0 °C	ISO 75-2
Deflection Temperature at 1.8 MPa (264 psi)	45.0 °C	ISO 75-2
Vicat Softening Point	52.0 °C	B (50N); ISO 306
	137 °C	A (10N); ISO 306
Shrinkage	0.15 % @Temperature 90.0 °C, Time 7200 sec	Post Shrinkage; Borealis Method

Processing Properties	Original Value	Comments
Melt Temperature	220 - 260 °C	Polymer Mass Temp
Mold Temperature	30.0 - 50.0 °C

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 go back to viewing the property data in MatWeb's normal format.

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PBOREA162 / 27469

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