ExxonMobil LD 129.DS Low Density Polyethylene (LDPE), Film Grade

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ExxonMobil LD 129.DS Low Density Polyethylene (LDPE), Film Grade
Categories:	Polymer; Film; Thermoplastic; Polyethylene (PE); Low Density (LDPE); Low Density Polyethylene (LDPE), Film Grade
Material Notes:	LD 129 are medium density homopolymer resins with good clarity and excellent stiffness. Film made from LD 129 resins can be used in overwrap applications and in push-through type packaging equipment. LD 129 are suitable for processing in either blown or cast film equipment. Availability: Latin America, North America. Additive: antiblock: 1000ppm; slip: no; thermal stabilizer: yes. Applications: bread bags, co-extrusion films, overwrap film, paper overwrap, diaper back sheet, hygiene packaging, label film, embossed film. Forms: pellets. Information provided by ExxonMobil.
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Physical Properties	Metric	English	Comments

Density	0.929 g/cc	0.0336 lb/in³	ASTM D1505
Melt Flow	2.3 g/10 min @Load 2.16 kg, Temperature 190 °C	2.3 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Film Tensile Strength at Yield, MD	14.5 MPa	2100 psi	ASTM D882
Film Tensile Strength at Yield, TD	15.9 MPa	2300 psi	ASTM D882
Film Elongation at Break, MD	180 %	180 %	ASTM D882
Film Elongation at Break, TD	470 %	470 %	ASTM D882
Puncture Energy	0.316 J	0.233 ft-lb	ExxonMobil Method
Elmendorf Tear Strength MD	100 g	100 g	ASTM D1922
Elmendorf Tear Strength TD	270 g	270 g	ASTM D1922
Dart Drop Test	70.0 g	0.154 lb	ASTM D1709A
Film Tensile Strength at Break, MD	23.4 MPa	3400 psi	ASTM D882
Film Tensile Strength at Break, TD	17.2 MPa	2500 psi	ASTM D882
1% Secant Modulus, MD	317 MPa	46000 psi	ASTM D882
1% Secant Modulus, TD	386 MPa	56000 psi	ASTM D882

Thermal Properties	Metric	English	Comments
Melting Point	117 °C	243 °F	Peak; ExxonMobil Method

Optical Properties	Metric	English	Comments
Haze	8.0 %	8.0 %	ASTM D1003
Gloss	70 %	70 %	@ 45°; ASTM D2457

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PEX98868 / 238250

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