Borealis Borclear™ RB709CF Polypropylene Ethylene Copolymer

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Borealis Borclear™ RB709CF Polypropylene Ethylene Copolymer (discontinued **)
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene Copolymer
Material Notes:	Borclear™ RB709CF is a propylene -ethylene copolymer. This grade is suitable for the manufacturing of unoriented film on blown film lines. Applications: Borclear™ RB709CF is recommended for sealing layer in co extrusion, food packaging, lamination films, and additives. Borclear RB709CF is slip and antiblock free Information provided by Borealis AG
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Physical Properties	Metric	English	Comments

Density	0.900 - 0.910 g/cc	0.0325 - 0.0329 lb/in³	ISO 1183
Melt Flow	1.5 g/10 min @Load 2.16 kg, Temperature 230 °C	1.5 g/10 min @Load 4.76 lb, Temperature 446 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Film Elongation at Break, MD	550 - 600 %	550 - 600 %	MD/TD; ISO 527-3
Tensile Modulus	0.730 GPa	106 ksi	MD/TD; ISO 527-3
Flexural Modulus	0.650 GPa	94.3 ksi	ISO 178
Dart Drop, Total Energy	50.0 J	36.9 ft-lb	ISO 7765-1
Coefficient of Friction	>= 0.70	>= 0.70	film to film; ISO 8295
Film Tensile Strength at Break, MD	30.0 - 40.0 MPa	4350 - 5800 psi	ISO 527-3
Film Tensile Strength at Break, TD	25.0 - 35.0 MPa	3630 - 5080 psi	ISO 527-3

Thermal Properties	Metric	English	Comments
Melting Point	133 - 136 °C	271 - 277 °F	ISO 3146
Vicat Softening Point	115 °C @Load 1.02 kg	239 °F @Load 2.25 lb	A50; ISO 306

Optical Properties	Metric	English	Comments
Haze	<= 3.0 %	<= 3.0 %	ASTM D1003
Gloss	>= 85 %	>= 85 %	20° of arc; ASTM D2457
Transmission, Visible	90 %	90 %	clear; thickness not quantified

**
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PBOREA361 / 108621

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