ExxonMobil LD 319.PM Low Density Polyethylene (LDPE), Film Grade

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ExxonMobil LD 319.PM Low Density Polyethylene (LDPE), Film Grade
Categories:	Polymer; Film; Thermoplastic; Polyethylene (PE); Low Density (LDPE); Low Density Polyethylene (LDPE), Film Grade
Material Notes:	LD 319 are 8.7 wt% vinyl acetate copolymer film resins. Films made from LD 319 resins exhibit superior impact strength and heat sealability. Availability: Latin America, North America. Additive: antiblock: no; slip: no; thermal stabilizer: yes. Applications: meat packaging, primal meat bags. Forms: pellets. Information provided by ExxonMobil.
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Physical Properties	Metric	English	Comments

Density	0.930 g/cc	0.0336 lb/in³	ASTM D1505
Melt Flow	2.0 g/10 min @Load 2.16 kg, Temperature 190 °C	2.0 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Film Tensile Strength at Yield, MD	6.34 MPa	920 psi	ASTM D882
Film Tensile Strength at Yield, TD	5.86 MPa	850 psi	ASTM D882
Film Elongation at Break, MD	330 %	330 %	ASTM D882
Film Elongation at Break, TD	660 %	660 %	ASTM D882
Puncture Energy	3.05 J	2.25 ft-lb	ExxonMobil Method
Elmendorf Tear Strength MD	120 g	120 g	ASTM D1922
Elmendorf Tear Strength TD	80 g	80 g	ASTM D1922
Dart Drop Test	360 g	0.794 lb	ASTM D1709A
Film Tensile Strength at Break, MD	31.0 MPa	4500 psi	ASTM D882
Film Tensile Strength at Break, TD	27.6 MPa	4000 psi	ASTM D882
1% Secant Modulus, MD	96.5 MPa	14000 psi	ASTM D882
1% Secant Modulus, TD	110 MPa	16000 psi	ASTM D882

Thermal Properties	Metric	English	Comments
Melting Point	97.8 °C	208 °F	Peak; ExxonMobil Method
Vicat Softening Point	77.2 °C	171 °F	ASTM D1525

Optical Properties	Metric	English	Comments
Haze	1.9 %	1.9 %	ASTM D1003
Gloss	85 %	85 %	@ 45°; ASTM D2457

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PEX98877 / 238259

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