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	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	25.0 MPa	50 mm/min; ISO 527-2
Elongation at Yield	6.00 %	50 mm/min; ISO 527-2
Tensile Modulus	1350 MPa	ISO 527-2
Flexural Modulus	1250 MPa	ISO 178
Charpy Impact, Notched	6.50 kJ/m² @Temperature -20.0 °C	ISO 179-1/1eA
	15.0 kJ/m² @Temperature 23.0 °C	ISO 179-1/1eA

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	85.0 °C	ISO 75-2

Processing Properties	Original Value	Comments
Shelf Life	24.0 Month

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PBORE9870 / 323227

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