Total 7231X Polypropylene, Blow Molding Grade

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Total 7231X Polypropylene, Blow Molding Grade (discontinued **)
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene, Blow Molding Grade
Material Notes:	Random copolymer blow molding grade with improved impact and clarity Impact Strength -- FINA 7231X offers excellent impact strength, clarity and gloss. Lubricated -- FINA 7231X offers superior core rod release for ease in processing. High Purity - FINA 7231X features minimum taste and odor, and optimum thermal stability for superior color and processability. FDA -- FINA 7231X complies with all applicable FDA regulations and may be used under these provisions for food contact and packaging. Recommended Applications -- FINA 7231X is recommended for blow molded containers for food, drug, cosmetic and toiletry applications requiring superior impact strength and clarity. Processing -- FINA 7231X resin processes on conventional blow molding equipment with typical melt temperatures of 390-450°F (177- 232°C) Data provided by the manufacturer, Total Petrochemicals. Total Petrochemicals includes former Fina and Atofina plastics product lines.
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Physical Properties	Metric	English	Comments

Water Vapor Permeability	9.40 g mil/ (m² day) @Temperature 37.8 °C	0.606 g mil/ (100 in² day) @Temperature 100 °F	90% RH; ASTM E96
Density	0.900 g/cc	0.0325 lb/in³	ASTM D1505
Oxygen Transmission	95.0 cc-mm/m²-24hr-atm @Temperature 23.0 °C	241 cc-mil/100 in²-24hr-atm @Temperature 73.4 °F	cc-mm/m²-24hr-atm; ASTM D1434
Melt Flow	2.0 g/10 min	2.0 g/10 min	ASTM D1238L

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	23.4 MPa	3390 psi	ASTM D638
Elongation at Break	11 %	11 %	ASTM D638
Modulus of Elasticity	0.827 GPa	120 ksi	ASTM D638
Flexural Modulus	0.689 GPa	99.9 ksi	ASTM D790
Izod Impact, Notched	0.694 J/cm	1.30 ft-lb/in	ASTM D256A

Thermal Properties	Metric	English	Comments
Melting Point	143 °C	289 °F	DSC
Deflection Temperature at 0.46 MPa (66 psi)	88.0 °C	190 °F	ASTM D648

Processing Properties	Metric	English	Comments
Melt Temperature	177 - 232 °C	351 - 450 °F	blow molding

**
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