Chevron Phillips Marlex® TRB-437LS Polyethylene Pipe Grade HDPE

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Chevron Phillips Marlex® TRB-437LS Polyethylene Pipe Grade HDPE
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); High Density Polyethylene (HDPE), Pipe Grade
Material Notes:	This high performance PE 4710/PE 100 rated bimodal HDPE, ethylene-hexene copolymer is tailored for the demanding requirements of pressure pipe applications that require: • Excellent long-term hoop strength • Excellent melt strength • Superb resistance to slow crack & rapid crack growth • Outstanding low-temperature toughness. Typical pipe applications for TRB-437LS include the following end-use segments: • Municipal • Industrial • Energy • Mining • Potable water. information provided by Chevron Phillips Chemical Company LP.
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Physical Properties	Original Value	Comments

Density	0.949 g/cc	ASTM D1505
High Load Melt Index	9.0 g/10 min @Load 21.6 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
PENT	>= 10000 hour	ASTM F1473
Tensile Strength, Yield	24.0 MPa	2 in/min, Type IV bar; ASTM D638
Elongation at Break	700 %	2 in/min, Type IV bar; ASTM D638
2% Secant Modulus	965 MPa	16:1 span:depth, 0.5 in/min; ASTM D790
Hydrostatic Design Basis	6.90 MPa @Temperature 60.0 °C	ASTM D2837
	11.0 MPa @Temperature 23.0 °C	ASTM D2837

Descriptive Properties
Minimum Required Strength, Pipe	10 MPa	ISO 9080
Rapid Crack Propagation Critical Pressure, Pipe	>12 bar	ISO 13477, 0°C
	>46 bar	ISO 13478, Full Scale, 0°C
Rapid Crack Propagation Critical Temperature, Pipe	-10°C	ISO 13477, 5 bar

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PCHEVC8921 / 242004

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