Phillips Sumika Marlex® CHP-370 Thermoplastic Polyolefin

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Phillips Sumika Marlex® CHP-370 Thermoplastic Polyolefin (discontinued **)
Categories:	Polymer; Thermoplastic; Polyolefin
Material Notes:	Thermoplastic Polyolefin, Good Stiffness and Impact Performance Applications: Automotive Pillar Trim Conditioning after Molding: 48 hr at 23°C Nominal Shrinkage: 0.8-1.0% Drying conditions Temperature: 80-100°C Time: 2 hours minimum, 4 hours maximum Device: Desiccant Dryer Moisture content: 0.1 wt% max. Molding Temperatures Rear Temperature: 145-200°C Middle Temperature: 210-235°C Front and Nozzle Temps: 210-235°C Stock Temperature: 191-246°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
Vendors:

Available Properties

Density, ASTM D1505
Density, ISO 1183
Linear Mold Shrinkage
Melt Flow, ASTM D1238
Melt Flow, ISO 1133
Hardness, Rockwell R, ASTM D785
Hardness, Rockwell R, ISO 2039
Hardness, Shore D, ASTM D2240
Hardness, Shore D, ISO 868
Tensile Strength, Yield, ISO 527, 50 mm/min
Tensile Strength, Yield, ASTM D638, 50 mm/min
Flexural Modulus, ASTM D790, Secant, 1.3 mm/min
Flexural Modulus, ISO 178, 2.0 mm/min
Izod Impact, Notched, ASTM D256
Izod Impact, Notched, ASTM D256
Izod Impact, Notched (ISO), ISO 180
Izod Impact, Notched (ISO), ISO 180
Deflection Temperature at 0.46 MPa (66 psi), ISO 75
Deflection Temperature at 0.46 MPa (66 psi), ASTM D648
Deflection Temperature at 1.8 MPa (264 psi), ASTM D648
Deflection Temperature at 1.8 MPa (264 psi), ISO 75

Property Data

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Manufacturer Notes:
Phillips Sumika (Chevron Phillips Chemical Company)

Category Notes
Plastic

**
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