LyondellBasell Petrothene® KR92828 High Density Polyethylene

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LyondellBasell Petrothene® KR92828 High Density Polyethylene
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); High Density Polyethylene (HDPE), Extruded
Material Notes:	Applications PETROTHENE KR 92828 is a high molecular weight, high density polyethylene-based compound designed for use in jacketing, conduit or wire insulation. KR 92828 contains a carbon black content of 2.5%. Antioxidant has been added to ensure thermal stability during processing. Processing Techniques KR 92561, like other thermoplastic polyolefin compounds, can be extruded as wire and cable insulation using a conventional extruder. Below are suggested extrusion conditions for KR 92561. These conditions are intended as general guidelines only and are not optimum values, since manufacturing conditions, such as extruder type and size have an effect on processing of thermoplastic compounds. This product is from the former Equistar product line.
Key Words:	HDPE; Carbon Black 2.5 %.; Jacketing
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Physical Properties	Original Value	Comments

Density	0.955 g/cc	ASTM D1505
ESCR 10% Igepal®	>= 1000 hour	ASTM D1693
Absorption Coefficient	440	ASTM D3349
Carbon Black Loading	2.6 %
Melt Flow	0.15 g/10 min	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Shore D	65	ASTM D2240
Tensile Strength at Break	4600 psi	ASTM D638
Tensile Strength, Yield	2800 psi	ASTM D638
Elongation at Break	800 %	ASTM D638
Flexural Modulus, 1% Secant	110000 psi	ASTM D780
1% Secant Modulus	77000 psi	ASTM D638

Electrical Properties	Original Value	Comments
Electrical Resistivity	2.00e+17 ohm-cm	ASTM D257
Dielectric Constant	2.5 @Frequency 1e+6 Hz	ASTM D1531
Dielectric Strength	550 V/mil	ASTM D149
Dissipation Factor	0.00020 @Frequency 1e+6 Hz	ASTM D1531

Thermal Properties	Original Value	Comments
CTE, linear	150 µm/m-°C @Temperature 20.0 °C	ASTM D696
Brittleness Temperature	<= -76.0 °C	F₅₀; ASTM D746

Processing Properties	Original Value	Comments
Feed Temperature	300 - 325 °F
Zone 2	350 - 400 °F
Zone 3	375 - 400 °F
Zone 4-x	460 - 500 °F
Adapter Temperature	475 - 500 °F
Die Temperature	475 - 500 °F
Melt Temperature	475 - 500 °F

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