Borealis ME1244 Medium Density Polyethylene

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Borealis ME1244 Medium Density Polyethylene (discontinued **)
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Medium Density (MDPE)
Material Notes:	ME1244 is a fully formulated compound for chemical foamed telesingles. ME1244 is a medium-density polyethylene compound containing chemical blowing agent. Applications: ME1244 is intended for: foam or foam-skin insulation for telephone singles with typical expansion of 35-40%, and dry core and petroleum jelly filled cables. ME1244 meets these requirements when processed using sound extrusion practice and testing procedure: ASTM D1248 Type II, Class A, Category 4, BS 6234: Type 03 EN 50290-2-23 IEC 60708 NF C32-060 ISO 1872-PE, KEHN, 33-D006. Former trade name for this product was Borcell™. Information provided by Borealis AG
Key Words:	MDPE
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Physical Properties	Metric	English	Comments

Density	0.934 g/cc	0.0337 lb/in³	base resin; ISO 1872-2/ISO 1183
	0.937 g/cc	0.0339 lb/in³	compound; ISO 1872-2/ISO 1183
Thermal Stress Crack Resistance	1.50 hour @Temperature 105 °C	1.50 hour @Temperature 221 °F	IEC 60811-4-2/A
Oxidative Induction Time (OIT)	50 min @Temperature 200 °C	50 min @Temperature 392 °F	IEC 60811-4-2/B

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	11.0 MPa	1600 psi	50mm/min; ISO 527
	11.0 MPa	1600 psi	50mm/min, expanded 35% insulation; IEC 60811-1-1
Elongation at Break	500 %	500 %	50mm/min; ISO 527
	500 %	500 %	50mm/min, 35% expanded insulation; IEC 60811-1-1

Electrical Properties	Metric	English	Comments
Dielectric Constant	2.31 @Frequency 1e+6 Hz	2.31 @Frequency 1e+6 Hz	IEC 60250
Dissipation Factor	0.00050 @Frequency 1e+6 Hz	0.00050 @Frequency 1e+6 Hz	IEC 60250

Processing Properties	Metric	English	Comments
Processing Temperature	100 - 120 °C	212 - 248 °F	conductor preheating temperature
Zone 1	155 °C	311 °F
Zone 2	170 °C	338 °F
Zone 3	185 °C	365 °F
Zone 4	195 °C	383 °F
Die Temperature	195 °C	383 °F
Melt Temperature	195 - 200 °C	383 - 392 °F

Descriptive Properties
Petroleum Jelly Absorption (%)	10		IEC 60811-4-2

**
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PBOREA360 / 108620

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