ExxonMobil Exxtral™ HMU 234 Performance Polyolefin

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ExxonMobil Exxtral™ HMU 234 Performance Polyolefin
Categories:	Polymer; Thermoplastic; Ethylene Butyl Acrylate
Material Notes:	Product Description: A specialty thermoplastic polyolefin resin, black colored, with high stiffness, high heat stabilization, low emissions and low odor for automotive HVAC and under-the-hood applications. Availability: Africa & Middle East, Asia Pacific, Europe, South America and North America Features: Good Dimensional Stability Low Emissions Low to No Fogging Low to No Odor Ultra High Stiffness Uses: Automotive Applications Automotive Interior Parts Automotive Under the Hood Processing Method: Injection Molding Information provided by ExxonMobil
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Physical Properties	Metric	English	Comments

Density	1.07 g/cc	0.0387 lb/in³	ISO 1183
Melt Flow	10 g/10 min @Load 2.16 kg, Temperature 230 °C	10 g/10 min @Load 4.76 lb, Temperature 446 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	25.0 MPa	3630 psi	ISO 527-2/50
Tensile Strength, Yield	34.0 MPa	4930 psi	ISO 527-2/50
Elongation at Break	18 %	18 %	ISO 527-2/50
Elongation at Yield	4.0 %	4.0 %	ISO 527-2/50
Tensile Modulus	3.20 GPa	464 ksi	Secant; ISO 527-2
Charpy Impact, Notched	0.336 J/cm² @Temperature 22.8 °C	1.60 ft-lb/in² @Temperature 73.0 °F	Complete Break; ISO 179

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	63.9 °C	147 °F	ISO 75-2/A

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PEX99379 / 175615

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