Borealis Daplen™ KB4436 TPO Compound

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Borealis Daplen™ KB4436 TPO Compound (discontinued **)
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Olefinic Elastomer (TPO); Polypropylene (PP); TPO
Material Notes:	Daplen KB4436 is a 30% mineral and elastomer modified polypropylene compound intended for injection molding. Daplen KB4436 is a material with excellent impact/stiffness ratio. Thanks to its low thermal expansion this material is suitable to mold parts requiring low change of dimensions over a broad temperature range. The product is optimized to give good surface aesthetics. Daplen KB4436 has been developed for body side moldings, rocker panels, and window frames. Information provided by the Manufacturer.
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Physical Properties	Original Value	Comments

Density	1.12 g/cc	ISO 1183
Linear Mold Shrinkage	0.0060 cm/cm	Borealis Method
Melt Flow	20 g/10 min @Load 2.16 kg, Temperature 230 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	2320 psi	At 50 mm/min; ISO 527-2
Elongation at Break	123 %	At 50 mm/min; ISO 527-2
Elongation at Yield	4.0 %	At 50 mm/min; ISO 527-2
Tensile Modulus	2.10 GPa	At 1 mm/min; ISO 527-2
Flexural Strength	23.5 MPa	ISO 178
Flexural Modulus	2.20 GPa	At 2 mm/min; ISO 178
Charpy Impact Unnotched	4.50 J/cm²	ISO 179/1eU
	4.50 J/cm² @Temperature -20.0 °C	ISO 179/1eU
Charpy Impact, Notched	1.30 J/cm²	ISO 179/1eA
	0.200 J/cm² @Temperature -30.0 °C	ISO 179/1eA
	0.350 J/cm² @Temperature -20.0 °C	ISO 179/1eA

Thermal Properties	Original Value	Comments
CTE, linear	19.0 µm/m-°C @Temperature -30.0 - 80.0 °C	Borealis Method
Deflection Temperature at 0.46 MPa (66 psi)	95.0 °C	ISO 75-2
Deflection Temperature at 1.8 MPa (264 psi)	51.0 °C	ISO 75-2
Vicat Softening Point	36.0 °C	B (50N); ISO 306
Shrinkage	0.10 %	Borealis Method

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

**
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