Ineos K38-20-160 Polyethylene Copolymer

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Ineos K38-20-160 Polyethylene Copolymer
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE)
Material Notes:	K38-20-160 is a medium density polyethylene copolymer containing an organic yellow pigment system, designed specifically for the extrusion of natural gas pipe. It exhibits excellent long term stress life and slow crack resistance. K38-20-160 is the North American equivalent to ELTEX TUB 172 Yellow produced by INEOS Olefins & Polymers Europe. This material is certified to CSA Standard B137.4-09 and is recognized by the Plastics Pipe Institute as having a PE 2708 and PE 80 rating. The natural version of this resin is available as K38-20-138.
Key Words:	Medium density polyethylene copolymer containing an organic yellow pigment system, designed specifically for the extrusion of natural gas pipe.
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Physical Properties	Metric	English	Comments

Density	0.942 g/cc	0.0340 lb/in³	ASTM D4883
Environmental Stress Crack Resistance	>= 5000 hour	>= 5000 hour	ASTM D1693
Oxidative Induction Time (OIT)	20 min	20 min	@210 C > 20 Min; ASTM D 3895
Melt Flow	0.20 g/10 min	0.20 g/10 min	@ 190 C/2160g; ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	64	64	ASTM D2240
Tensile Strength at Break	31.0 MPa	4500 psi	2 in/min; ASTM D638
Tensile Strength, Yield	19.3 MPa	2800 psi	2 in/min; ASTM D638
Elongation at Break	800 %	800 %	>800% 2 in/min; ASTM D638
Flexural Modulus	0.690 GPa	100 ksi	ASTM D790
Izod Impact, Notched (ISO)	21.0 kJ/m²	10.0 ft-lb/in²	ASTM D256
Hydrostatic Design Basis	6.89 MPa	1000 psi	@ 60 C; ASTM D2837
	8.62 MPa	1250 psi	@ 23 C; ASTM D2837

Thermal Properties	Metric	English	Comments
Vicat Softening Point	120 °C	248 °F	ASTM D1525
Brittleness Temperature	-118 °C	-180 °F	ASTM D746

Descriptive Properties
process	Pipe Extrusion

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PBP1131 / 149077

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