Sterigenics Raprex® R-300 Branched Linear Low Density Polyethylene

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Sterigenics Raprex® R-300 Branched Linear Low Density Polyethylene (discontinued **)
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Linear Low Density (LLDPE); Linear Low Density Polyethylene (LLDPE), Extrusion Grade
Material Notes:	Applications: Foam and Extrusion RAPREX® R-300 is a linear low density polyethylene based resin that exhibits an excellent balance of melt processability and physical properties due to its unique branched structure. This structure is achieved through irradiation of the polymer. It is a thermoplastic and is fully recyclable. Due to its high molecular weight and melt strength, RAPREX® R-300 is used in film applications where enhanced puncture and tear resistance is required. Because of its high melt strength, it is also used in the production of low density foams. Raprex® R-300 contains a robust stabilization package providing excellent melt stability as well as long-term heat aging.
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Physical Properties	Original Value	Comments

Density	0.921 g/cc	ASTM D792
High Load Melt Index	12.7 g/10 min @Load 21.6 kg, Temperature 190 °C	ASTM D1238
Melt Index of Compound	0.24 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238
	0.24 g/10 min @Load 10.0 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	18.1 MPa	ASTM D638
Elongation at Break	340 %	ASTM D638
Flexural Modulus	0.290 GPa	ASTM D790
Izod Impact, Notched	NB	ASTM D256
	NB @Temperature -40.0 °C	ASTM D256

Thermal Properties	Original Value	Comments
Brittleness Temperature	<= -75.0 °C	ASTM D746

**
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PRAPREX8 / 65284

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