LyondellBasell Petrothene® HR92953 Medium Density Polyethylene

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LyondellBasell Petrothene® HR92953 Medium Density Polyethylene
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Medium Density (MDPE); Medium Density Polyethylene (MDPE), Extruded
Material Notes:	Applications PETROTHENE HR 92953 is a medium density polyethylene-based resin designed for use as jacketing for communications cable, including CATV and FOC. HR 92953 has a nominal carbon black content of 2.6% and antioxidant has been added to ensure thermal stability during processing. Processing Techniques HR 92953, like other thermoplastic polyolefin compounds, can be extruded as wire and cable insulation using a conventional extruder. Below are suggested extrusion conditions for HR 92953. These conditions are intended as general guidelines only and are not optimum values, since manufacturing conditions, such as extruder type and size, affect the processing of thermoplastic compounds. This product is from the former Equistar product line.
Key Words:	MDPE; Telecom/ Telecommunications; Jacketing; Black Compound
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Physical Properties	Metric	English	Comments

Density	0.945 g/cc	0.0341 lb/in³	ASTM D1505
ESCR 10% Igepal®	>= 1000 hour	>= 1000 hour	ASTM D1693
Absorption Coefficient	450	450	ASTM D3349
Carbon Black Loading	2.6 %	2.6 %
Melt Flow	0.65 g/10 min	0.65 g/10 min	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	60	60	ASTM D2240
Tensile Strength at Break	27.6 MPa	4000 psi	ASTM D638
Tensile Strength, Yield	16.5 MPa	2400 psi	ASTM D638
Elongation at Break	880 %	880 %	ASTM D638

Electrical Properties	Metric	English	Comments
Dielectric Constant	2.55 @Frequency 1e+6 Hz	2.55 @Frequency 1e+6 Hz	ASTM D1531
Dielectric Strength	21.7 kV/mm	550 kV/in	DC; ASTM D149
Dissipation Factor	0.00050 @Frequency 1e+6 Hz	0.00050 @Frequency 1e+6 Hz	ASTM D1531

Thermal Properties	Metric	English	Comments
CTE, linear	175 µm/m-°C @Temperature 20.0 °C	97.2 µin/in-°F @Temperature 68.0 °F	ASTM D696
Brittleness Temperature	<= -76.0 °C	<= -105 °F	F₅₀; ASTM D746

Processing Properties	Metric	English	Comments
Feed Temperature	154 - 163 °C	310 - 325 °F
Zone 2	177 - 193 °C	350 - 380 °F
Zone 3	193 - 210 °C	380 - 410 °F
Zone 4-x	204 - 218 °C	400 - 425 °F
Adapter Temperature	204 - 218 °C	400 - 425 °F
Die Temperature	204 - 218 °C	400 - 425 °F

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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