ExxonMobil LD 312.AS Low Density Polyethylene (LDPE), Film Grade

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ExxonMobil LD 312.AS Low Density Polyethylene (LDPE), Film Grade
Categories:	Polymer; Film; Thermoplastic; Polyethylene (PE); Low Density (LDPE); Low Density Polyethylene (LDPE), Film Grade
Material Notes:	LD 312 resins are 4.6 wt% vinyl acetate copolymer for films with good toughness. The comonomer content and low melt index of those resins help produce films which exhibit superior impact strength, good heat sealability and good low temperature properties. Additive: antiblock: 4000ppm; slip: 800 ppm; thermal stabilizer: yes. Availability: Latin America, North America. Applications: co-extrusion films, freezer film, produce bags, foams, lamination film, form fill and seal packaging, poultry bag, rice bags. Information provided by ExxonMobil.
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Physical Properties	Metric	English	Comments

Density	0.925 g/cc	0.0334 lb/in³	ASTM D1505
Vinyl Acetate Content	4.6 %	4.6 %	ExxonMobil Method
Melt Flow	1.0 g/10 min @Load 2.16 kg, Temperature 190 °C	1.0 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Film Tensile Strength at Yield, MD	24.8 MPa	3600 psi	ASTM D882
Film Tensile Strength at Yield, TD	23.4 MPa	3400 psi	ASTM D882
Film Elongation at Break, MD	170 %	170 %	ASTM D882
Film Elongation at Break, TD	560 %	560 %	ASTM D882
Puncture Energy	0.463 J	0.342 ft-lb	ExxonMobil Method
Elmendorf Tear Strength MD	190 g	190 g	ASTM D1922
Elmendorf Tear Strength TD	90 g	90 g	ASTM D1922
Dart Drop Test	200 g	0.441 lb	ASTM D1709A
1% Secant Modulus, MD	138 MPa	20000 psi	ASTM D882
1% Secant Modulus, TD	165 MPa	24000 psi	ASTM D882

Thermal Properties	Metric	English	Comments
Melting Point	105 °C	221 °F	Peak; ExxonMobil Method

Optical Properties	Metric	English	Comments
Haze	8.5 %	8.5 %	ASTM D1003
Gloss	66 %	66 %	@ 45°; ASTM D2457

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PEX98875 / 238257

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