Phillips Sumika Marlex® CHP-370 Thermoplastic Polyolefin (discontinued **)

Category	Polymer , Thermoplastic , Polyolefin
Manufacturer
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Phillips Sumika Marlex® CHP-370 Thermoplastic Polyolefin (discontinued **).pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

Thermoplastic Polyolefin, Good Stiffness and Impact PerformanceApplications: Automotive Pillar TrimConditioning after Molding: 48 hr at 23°CNominal Shrinkage: 0.8-1.0%Drying conditionsTemperature: 80-100°CTime: 2 hours minimum, 4 hours maximumDevice: Desiccant DryerMoisture content: 0.1 wt% max.Molding TemperaturesRear Temperature: 145-200°CMiddle Temperature: 210-235°CFront and Nozzle Temps: 210-235°CStock Temperature: 191-246°CMold Temperature: 23-50°CProcessing conditionsSuggested shot size: 50-70%First stage injection pressure: MaximizeScrew Speed: 30-60%Packing pressure: MinimizeBack Pressure: 50-150 psiOther 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.

Physical Properties	Metric	English	Comments
Density	1.00 g/cc	0.0361 lb/in³	ASTM D1505
	1.00 g/cc	0.0361 lb/in³	ISO 1183
Linear Mold Shrinkage	0.0080 - 0.010 cm/cm	0.0080 - 0.010 in/in
Melt Flow	30 g/10 min @Temperature 230 °C	30 g/10 min @Temperature 446 °F	ASTM D1238
	30 g/10 min @Temperature 230 °C	30 g/10 min @Temperature 446 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	61	61	ASTM D785
	61	61	ISO 2039
Hardness, Shore D	58	58	ASTM D2240
	58	58	ISO 868
Tensile Strength, Yield	20.7 MPa	3000 psi	50 mm/min; ISO 527
	20.9 MPa	3030 psi	50 mm/min; ASTM D638
Flexural Modulus	1.60 GPa	232 ksi	Secant, 1.3 mm/min; ASTM D790
	1.63 GPa	236 ksi	2.0 mm/min; ISO 178
Izod Impact, Notched	NB	NB	ASTM D256
	0.350 J/cm @Temperature -30.0 °C	0.656 ft-lb/in @Temperature -22.0 °F	ASTM D256
Izod Impact, Notched (ISO)	31.0 kJ/m²	14.8 ft-lb/in²	ISO 180
	3.00 kJ/m² @Temperature -40.0 °C	1.43 ft-lb/in² @Temperature -40.0 °F	ISO 180

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	102 °C	216 °F	ISO 75
	104 °C	219 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	53.0 °C	127 °F	ASTM D648
	54.0 °C	129 °F	ISO 75

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