ExxonMobil HD 6908.18 Injection Molding Resin

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ExxonMobil HD 6908.18 Injection Molding Resin (discontinued **)
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); High Density Polyethylene (HDPE), Injection Molded
Material Notes:	HD 6908 is a homopolymer with outstanding stiffness with a good balance of processability and cold temperature impact performance. This resin is ideally suited for articles requiring very high stiffness or enable down-gauging. This material offers excellent performance in structural foam articles. Information provided by ExxonMobil Chemical
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Physical Properties	Original Value	Comments

Density	0.965 g/cc	ASTM D4883
Environmental Stress Crack Resistance	<= 3.0 hour	Cond. B, 10%; ASTM D1693
Melt Flow	8.0 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	4070 psi	ASTM D638
Elongation at Break	48 %	ASTM D638
Flexural Modulus, 1% Secant	171800 psi	ASTM D790
Izod Impact, Notched	1.44 ft-lb/in @Temperature -40.0 °C	ASTM D256
Tensile Impact Strength	148.5 ft-lb/in² @Temperature -40.0 °C	ASTM D1822

Thermal Properties	Original Value	Comments
Melting Point	277 °F	ASTM D3418
Crystallization Temperature	116 °C	ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi)	71.0 °C	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	42.0 °C	ASTM D648
Brittleness Temperature	<= -94.0 °F	ASTM D746

Descriptive Properties
Features	Standard Processing Antioxidants Stabilizer
Form	Pellet

**
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PEXB073 / 37378

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