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LyondellBasell Alathon® M4855 High Density Polyethylene, Injection Molding Grade

Category Polymer , Thermoplastic , Polyethylene (PE) , HDPE , High Density Polyethylene (HDPE), Injection Molded
Manufacturer LyondellBasell (former Equistar)
Trade Name Alathon®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF LyondellBasell Alathon® M4855 High Density Polyethylene, Injection Molding Grade.pdf
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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.
Physical Properties Metric English Comments
Bulk Density 0.593 - 0.625 g/cc
0.0214 - 0.0226 lb/in³
ASTM D1895
Density 0.948 g/cc
0.0342 lb/in³
ASTM D1505
Melt Flow 5.0 g/10 min

@Load 2.16 kg,
Temperature 190 °C
5.0 g/10 min

@Load 4.76 lb,
Temperature 374 °F
ASTM D1238
Spiral Flow 20.3 cm
8.00 in
Equistar test
Mechanical Properties Metric English Comments
Tensile Strength at Break 24.1 MPa
3500 psi
50 mm/min; ASTM D638
Tensile Strength, Yield 24.0 MPa
3480 psi
50 mm/min; ASTM D638
Elongation at Break 1490 %
1490 %
50 mm/min; ASTM D638
Elongation at Yield 12 %
12 %
50 mm/min; ASTM D638
Tensile Modulus 0.636 GPa
92.2 ksi
1% Secant; 50mm/min; ASTM D638
0.807 GPa
117 ksi
50mm/min; ASTM D638
Flexural Modulus 0.772 GPa
112 ksi
2% Secant; 12.5 mm/min; ASTM D790
0.9542 GPa
138.4 ksi
1% Secant; 12.5 mm/min; ASTM D790
1.01 GPa
146 ksi
12.5 mm/min; ASTM D790
Izod Impact, Notched 0.587 J/cm
1.10 ft-lb/in
ASTM D256
NB

@Temperature -18.0 °C
NB

@Temperature -0.400 °F
ASTM D4812
Thermal Properties Metric English Comments
Melting Point 127.9 °C
262.2 °F
ASTM D3418
Crystallization Temperature 113.1 °C
235.6 °F
ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi) 64.0 °C
147 °F
ASTM D648
Vicat Softening Point 125 °C
257 °F
ASTM D1525
Brittleness Temperature <= -76.0 °C
<= -105 °F
ASTM D746
Processing Properties Metric English Comments
Rear Barrel Temperature 232 °C
450 °F
Middle Barrel Temperature 243 °C
470 °F
Front Barrel Temperature 246 °C
475 °F
Nozzle Temperature 246 °C
475 °F
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