Borealis PP1121 High Impact Polypropylene

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Borealis PP1121 High Impact Polypropylene
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene, Impact Modified; Molded/Extruded
Material Notes:	PP1121 is a high impact polypropylene intended for buffer tubes for fiber-optic cable. This grade is characterized by combination of good stiffness, good creep resistance and very high impact strength even at low temperatures. This grade features high thermal stability, very low shrinkage and very good processability. As all polypropylenes, this grade shows excellent stress-cracking and chemical resistances. Typical characteristics: Good stiffness Very good processability Good impact strength High melt stability Good stress crack resistance Very low post extrusion shrinkage Applications: High-speed manufacture of dry and wet buffer tubes for loose tube fiber optical cables Information provided by Borealis AG
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Physical Properties	Metric	English	Comments

Oxidative Induction Time (OIT)	>= 35.0 min @Temperature 210 °C	>= 35.0 min @Temperature 410 °F	ISO 11357-3
Melt Flow	3.50 g/10 min @Load 2.16 kg, Temperature 230 °C	3.50 g/10 min @Load 4.76 lb, Temperature 446 °F	ISO 1133-1
Storage Temperature	10.0 - 30.0 °C	50.0 - 86.0 °F

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	25.0 MPa	3630 psi	50 mm/min; ISO 527-2
Elongation at Yield	6.00 %	6.00 %	50 mm/min; ISO 527-2
Tensile Modulus	1.35 GPa	196 ksi	ISO 527-2
Flexural Modulus	1.25 GPa	181 ksi	ISO 178
Charpy Impact, Notched	0.650 J/cm² @Temperature -20.0 °C	3.09 ft-lb/in² @Temperature -4.00 °F	ISO 179-1/1eA
	1.50 J/cm² @Temperature 23.0 °C	7.14 ft-lb/in² @Temperature 73.4 °F	ISO 179-1/1eA

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	85.0 °C	185 °F	ISO 75-2

Processing Properties	Metric	English	Comments
Shelf Life	24.0 Month	24.0 Month

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PBORE9870 / 323227

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