Phillips Sumika Marlex® ALN-230 Polypropylene Impact Copolymer

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Phillips Sumika Marlex® ALN-230 Polypropylene Impact Copolymer (discontinued **)
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene Copolymer
Material Notes:	Polypropylene Impact Copolymer, Antistatic Applications: Industrial bins and totes Meets FDA Regulations 21 CFR 177.1520 and may be safely used in articles for use in contact with food except for packing or holding food during cooking. Conditioning after Molding: 48 hr at 23°C Nominal Shrinkage: 1.3-1.5% 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.
Key Words:	Information Provided by Chevron Phillips Chemical
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Physical Properties	Original Value	Comments

Density	0.900 g/cc	ASTM D1505
	0.900 g/cc	ISO 1183
Linear Mold Shrinkage	0.013 - 0.015 cm/cm
Melt Flow	20 g/10 min @Temperature 230 °C	ASTM D1238
	20 g/10 min @Temperature 230 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	91	ASTM D785
	91	ISO 2039
Hardness, Shore D	60	ASTM D2240
	60	ISO 868
Tensile Strength, Yield	23.8 MPa	50 mm/min; ISO 527
	24.8 MPa	50 mm/min; ASTM D638
Flexural Modulus	1200 MPa	2.0 mm/min; ISO 178
	1200 MPa	Secant, 1.3 mm/min; ASTM D790
	1340 MPa	Tangent, 13 mm/min; ASTM D790
Izod Impact, Notched	117 J/m	ASTM D256
	37.0 J/m @Temperature -30.0 °C	ASTM D256
	53.0 J/m @Temperature 0.000 °C	ASTM D256
Izod Impact, Notched (ISO)	9.00 kJ/m²	ISO 180
	4.00 kJ/m² @Temperature -40.0 °C	ISO 180

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	92.0 °C	ISO 75
	107 °C	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	52.0 °C	ISO 75
	56.0 °C	ASTM D648

Compliance Properties	Original Value	Comments
FDA	Yes	See notes for details.

**
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