LyondellBasell Astryn BB73F Polypropylene Copolymer, Mineral Filled

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LyondellBasell Astryn BB73F Polypropylene Copolymer, Mineral Filled (discontinued **)
Categories:	Polymer; Thermoplastic; Polypropylene (PP)
Material Notes:	Key Features: high melt flow, high modulus, UV-stabilized, mineral-filled, high rigidity, good impact strength, good dimensional stability, good scratch and mar resistance, excellent processability, low fogging Applications: door panels, map pockets bins, pillar moldings, seat belt guides Description: Astryn BB73F high melt flow, UV-stabilized, precolored mineral-filled polypropylene copolymer has a very good combination of rigidity, impact strength, dimensional stability, scratch and mar resistance and processability. It was designed for a variety of automotive interior trim applications. Information provided by Montell Polyolefins. LyondellBasell is the successor company to Montell.
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Physical Properties	Original Value	Comments

Density	1.08 g/cc	ASTM D792B
Linear Mold Shrinkage	0.011 cm/cm	ISO Method 2577
Melt Flow	19 g/10 min @Load 2.16 kg, Temperature 230 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	25.0 MPa	ISO Method R527
Elongation at Yield	4.0 %	ISO Method R527
Flexural Modulus	2.20 GPa	ISO Method 178
Izod Impact Resistance	0.350 J/cm² @Temperature 23.0 °C	ISO 180

Thermal Properties	Original Value	Comments
CTE, linear	54.0 µm/m-°C @Temperature -30.0 - 30.0 °C	ASTM D696
Deflection Temperature at 0.46 MPa (66 psi)	114 °C	ISO Method 180

**
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