Eastman 1840A Polyethylene

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Eastman 1840A Polyethylene (discontinued **)
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Low Density (LDPE); Low Density Polyethylene (LDPE), Molded
Material Notes:	Polyethylene 1840A is a low-density formulation with no slip or antiblock. It is suggested for injection molding applications requiring good stiffness, gloss, good processability or layflat properties. Applications/Uses Food cooking applications Food-contact applications Key Attributes Good processability Good stiffness Use in injection molding applications Eastman Chemical Company sold its polyethylene business to Westlake Chemical Corporation in Dec. 2006. This grade no longer appears in the Westlake product line.
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Physical Properties	Original Value	Comments

Density	0.921 g/cc	ASTM D4883
Melt Flow	2.25 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	12.0 MPa	500 mm/min; ASTM D638
Tensile Strength, Yield	10.8 MPa	500 mm/min; ASTM D638
Elongation at Break	380 %	500 mm/min; ASTM D638
Flexural Modulus	0.269 GPa @Strain 2 %	Secant; 12.7 mm/min. (0.5 in./min.); ASTM D790

Thermal Properties	Original Value	Comments
Vicat Softening Point	94.0 °C	ASTM D1525
Brittleness Temperature	<= -73.0 °C	ASTM D746

**
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