Phillips Sumika Marlex® HHX-006 Polypropylene Homopolymer

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Phillips Sumika Marlex® HHX-006 Polypropylene Homopolymer (discontinued **)
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene, Blow Molding Grade
Material Notes:	Polypropylene Homopolymer, Excellent Long Term Heat and Color Stability Applications Coolant bottle reservoirs Overflow tanks Blow molded parts Molding Temperatures Rear Temperature: 145-200°C Middle Temperature: 210-235°C Front and Nozzle Temps: 210-235°C Stock Temperature: 227-260°C Mold Temperature: 23-50°C Processing conditions Suggested shot size: 50-70% First stage injection pressure: Maximize Screw Speed: 30-60% Packing pressure: Minimize Back Pressure: 50-150 psi Other molding considerations: Melt temperature above 260°C may cause resin degradation and changes to resin properties. To improve dispersion of color concentrates use a screw with a mixing zone or mixing nozzle. Phillips Sumika Polypropylene Company has been shut down, as announced in 2011. This product had been discontinued prior to the shutdown announcement.
Key Words:	Information Provided by Chevron Phillips Chemical
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Physical Properties	Original Value	Comments

Density	0.902 g/cc	ASTM D1505
Melt Flow	0.65 g/10 min @Temperature 230 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	94	ASTM D785
Hardness, Shore D	70	ASTM D2240
Tensile Strength, Yield	33.5 MPa	50 mm/min; ASTM D638
Flexural Modulus	1275 MPa	Secant, 1.3 mm/min; ASTM D790
Izod Impact, Notched	70.0 J/m	ASTM D256

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	92.0 °C	ASTM D648

**
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PPPP011 / 90448

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