Chevron Phillips Marlex® TRB-490 Polyethylene Pipe Grade HDPE

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Chevron Phillips Marlex® TRB-490 Polyethylene Pipe Grade HDPE
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); High Density Polyethylene (HDPE), Pipe Grade
Material Notes:	This bimodal high molecular weight, high density polyethylene (HMW-HDPE) ethylene-hexene copolymer is tailored as a blend resin component 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 TRB-490 include: • Roadway culverts • Storm sewers • Land drainage. information provided by Chevron Phillips Chemical Company LP.
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Physical Properties	Original Value	Comments

Density	0.950 g/cc	ASTM D1505
ESCR 100% Igepal®	>= 1000 hour	Condition B, F50; ASTM D1693
High Load Melt Index	9.5 g/10 min @Load 21.6 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	26.0 MPa	2 in/min, Type IV bar; ASTM D638
Elongation at Break	700 %	2 in/min, Type IV bar; ASTM D638
2% Secant Modulus	900 MPa	16:1 span:depth, 0.5 in/min; ASTM D790

Thermal Properties	Original Value	Comments
Brittleness Temperature	<= -75.0 °C	Type A, Type I specimen; ASTM D746

Descriptive Properties
NCLS	>800 h	ASTM F2136. 15% of the reference yield stress of 4000 psi
Thermal Stability	>220°C.	ASTM D3350

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PCHEVC8922 / 242005

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