ExxonMobil LL 8555.67 Rotational Molding Resin

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ExxonMobil LL 8555.67 Rotational Molding Resin (discontinued **)
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Linear Low Density (LLDPE); Linear Low Density Polyethylene (LLDPE), Rotational Molding Grade
Material Notes:	LL 8555 is a linear low density hexene copolymer designed to offer excellent processability, dimensional control, whiteness and low warpage. This resin is ideally suited for applications that require excellent surface appearance and the optimum balance of ESCR, stiffness, and toughness properties. Information provided by ExxonMobil Chemical
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Physical Properties	Metric	English	Comments

Density	0.936 g/cc	0.0338 lb/in³	ASTM D4883
ESCR 100% Igepal®	275 hour	275 hour	ASTM D1693
ESCR 10% Igepal®	55 hour	55 hour	ASTM D1693
Melt Flow	6.8 g/10 min	6.8 g/10 min	ASTM D1238

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	17.2 MPa	2500 psi	ASTM D638
Elongation at Yield	17.5 %	17.5 %	ASTM D638
Flexural Modulus, 1% Secant	703 MPa	102000 psi	ASTM D790
Impact Test	81.3 J @Thickness 3.17 mm, Temperature -40.0 °C	60.0 ft-lb @Thickness 0.125 in, Temperature -40.0 °F	ARM
	217 J @Thickness 6.35 mm, Temperature -40.0 °C	160 ft-lb @Thickness 0.250 in, Temperature -40.0 °F	ARM

Thermal Properties	Metric	English	Comments
Melting Point	126 °C	259 °F	ASTM D3418
Crystallization Temperature	112.1 °C	233.8 °F	ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi)	59.0 °C	138 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	38.0 °C	100 °F	ASTM D648

Descriptive Properties
Features	Standard processing antioxidants
Form	PELLET

**
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PEXB241 / 37546

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