Chevron Phillips Marlex® HXB TR-494 Polyethylene Pipe Grade HDPE

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Chevron Phillips Marlex® HXB TR-494 Polyethylene Pipe Grade HDPE
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); High Density Polyethylene (HDPE), Pipe Grade
Material Notes:	This broad molecular weight distribution, extra-high molecular weight, ethylene-hexene copolymer is tailored for corrugated pipe applications that require excellent: • Melt strength• Pipe stiffness • Creep resistance • Impact resistance • Slow Crack Growth Resistance • Chemical resistance. Typical corrugated pipe applications for HXB TR-494 include: • Roadway culverts • Storm sewers • Land drainage • Conduit/Duct. information provided by Chevron Phillips Chemical Company LP.
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Physical Properties	Metric	English	Comments

Density	0.954 g/cc	0.0345 lb/in³	ASTM D1505
ESCR 100% Igepal®	>= 600 hour	>= 600 hour	Condition C, F20; ASTM D1693
ESCR 10% Igepal®	>= 1000 hour	>= 1000 hour	Condition B, F10; ASTM D1693
High Load Melt Index	5.5 g/10 min @Load 21.6 kg, Temperature 190 °C	5.5 g/10 min @Load 47.6 lb, Temperature 374 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	29.0 MPa	4210 psi	2 in/min, Type IV bar; ASTM D638
Elongation at Break	800 %	800 %	2 in/min, Type IV bar; ASTM D638
2% Secant Modulus	1.34 GPa	194 ksi	16:1 span:depth, 0.5 in/min; ASTM D790

Descriptive Properties
NCLS	>24 h		ASTM F2136. 15% of the reference yield stress of 4000 psi

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PCHEVC8918 / 242001

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