Chevron Phillips MarFlex® HHM TR-258 Low Density Linear Polyethylene, Blown Film

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Chevron Phillips MarFlex® HHM TR-258 Low Density Linear Polyethylene, Blown Film (discontinued **)
Categories:	Polymer; Film; Thermoplastic; Polyethylene (PE); Linear Low Density (LLDPE); Linear Low Density Polyethylene (LLDPE), Film Grade
Material Notes:	This LDLPE is tailored for applications that require: Good processability Good melt strength Good drawdown Good strength Satin finish Good MD & TD shrinkage Good contact clarity and lower gel content Typical blown film applications include: Pallet shrink Heavy duty bags Consumer and institutional shrink film General purpose packaging This grade does not contain process aid, slip or antiblock. Information provided by Chevron Phillips Chemical Company LP.
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Physical Properties	Original Value	Comments

Specific Gravity	0.923 g/cc	ASTM D1505
Melt Flow	0.20 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Film Elongation at Break, MD	380 %	2.5 BUR; ASTM D882
	460 %	4 BUR; ASTM D882
Film Elongation at Break, TD	650 %	4 BUR; ASTM D882
	800 %	2.5 BUR; ASTM D882
Coefficient of Friction	0.35	2.5 BUR; ASTM D1894
	0.35	4 BUR; ASTM D1894
Elmendorf Tear Strength, MD	12.0 g/mil	2.5 BUR; ASTM D1922
	30.0 g/mil	4 BUR; ASTM D1922
Elmendorf Tear Strength, TD	400 g/mil	4 BUR; ASTM D1922
	945 g/mil	2.5 BUR; ASTM D1922
Dart Drop	46.0 g/mil	2.5 BUR; ASTM D1709
	140 g/mil	4 BUR; ASTM D1709
Film Tensile Strength at Break, MD	61.0 MPa	4 BUR; ASTM D882
	72.0 MPa	2.5 BUR; ASTM D882
Film Tensile Strength at Break, TD	30.0 MPa	2.5 BUR; ASTM D882
	46.0 MPa	4 BUR; ASTM D882
1% Secant Modulus, MD	365 MPa	2.5 BUR; ASTM D882
	365 MPa	4 BUR; ASTM D882
1% Secant Modulus, TD	400 MPa	4 BUR; ASTM D882
	500 MPa	2.5 BUR; ASTM D882

Optical Properties	Original Value	Comments
Haze	33 %	2.5 BUR; ASTM D1003
	36 %	4 BUR; ASTM D1003
Gloss	40 %	at 60°, 4 BUR; ASTM D2457
	46 %	at 60°, 2.5 BUR; ASTM D2457

**
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