LyondellBasell Alathon® H4250 High Density Polyethylene, Injection Molding Grade

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LyondellBasell Alathon® H4250 High Density Polyethylene, Injection Molding Grade
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); High Density Polyethylene (HDPE), Injection Molded
Material Notes:	ALATHON H4250 is a high-flow “freezer” grade resin that exhibits enhanced cold temperature impact performance, enhanced processing and thermal stability, with good color and organoleptic properties. Typical applications are rigid food containers such as four, five and six-quart ice cream containers that are produced at high speeds in fast cycling multi-cavity stack molds. Regulatory Status: H4250 meets the requirements of the Food and Drug Administration regulation 21 CFR 177.1520. This regulation allows the use of this olefin polymer in "...articles or components of articles intended for use in contact with food." Specific limitations or conditions of use may apply. This product is from the former Equistar product line.
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Physical Properties	Original Value	Comments

Bulk Density	0.593 - 0.625 g/cc	ASTM D1895
Density	0.942 g/cc	ASTM D1505
Melt Flow	50 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238
Spiral Flow	17.2 in	Equistar test

Mechanical Properties	Original Value	Comments
Hardness, Shore D	61	ASTM D2240
Tensile Strength at Break	3060 psi	50 mm/min; ASTM D638
Elongation at Break	12 %	50 mm/min; ASTM D638
Tensile Modulus	100400 psi	1% Secant; 50mm/min; ASTM D638
	136700 psi	50mm/min; ASTM D638
Flexural Modulus	136500 psi	12.5 mm/min; ASTM D790
	102100 psi @Strain 2 %	Secant; 12.5 mm/min; ASTM D790
Flexural Modulus, 1% Secant	119800 psi	2.5 mm/min; ASTM D790
Izod Impact, Notched	0.650 ft-lb/in	ASTM D256
	NB @Temperature -18.0 °C	ASTM D4812

Thermal Properties	Original Value	Comments
Melting Point	255.2 °F	ASTM D3418
Crystallization Temperature	112.5 °C	ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi)	59.5 °C	ASTM D648
Vicat Softening Point	116 °C	ASTM D1525

Processing Properties	Original Value	Comments
Rear Barrel Temperature	450 °F
Middle Barrel Temperature	470 °F
Front Barrel Temperature	475 °F
Nozzle Temperature	475 °F

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

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PEQU0786 / 104142

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