LyondellBasell Alathon® M4855 High Density Polyethylene, Injection Molding Grade

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LyondellBasell Alathon® M4855 High Density Polyethylene, Injection Molding Grade
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); High Density Polyethylene (HDPE), Injection Molded
Material Notes:	ALATHON M4855 is a high density copolymer for use in injection molding applications. It exhibits excellent impact, warp and environmental stress crack resistance. Typical applications for M4855X01 are consumer durables and 35, 65, and 95-gallon refuse carts. Regulatory Status: Alathon M4855 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. Contact your Equistar sales representative for more information. Specific recommendations for processing M4855 can only be made when the processing conditions, equipment and end use application are known. 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	0.948 g/cc	ASTM D1505
Melt Flow	5.0 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238
Spiral Flow	8.00 in	Equistar test

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	3500 psi	50 mm/min; ASTM D638
Tensile Strength, Yield	3480 psi	50 mm/min; ASTM D638
Elongation at Break	1490 %	50 mm/min; ASTM D638
Elongation at Yield	12 %	50 mm/min; ASTM D638
Tensile Modulus	92200 psi	1% Secant; 50mm/min; ASTM D638
	117000 psi	50mm/min; ASTM D638
Flexural Modulus	146000 psi	12.5 mm/min; ASTM D790
	112000 psi @Strain 2 %	Secant; 12.5 mm/min; ASTM D790
Flexural Modulus, 1% Secant	138400 psi	2.5 mm/min; ASTM D790
Izod Impact, Notched	1.10 ft-lb/in	ASTM D256
	NB @Temperature -18.0 °C	ASTM D4812

Thermal Properties	Original Value	Comments
Melting Point	262.2 °F	ASTM D3418
Crystallization Temperature	113.1 °C	ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi)	64.0 °C	ASTM D648
Vicat Softening Point	125 °C	ASTM D1525
Brittleness Temperature	<= -76.0 °C	ASTM D746

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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