LyondellBasell Petrothene® NA373242 Low Density Polyethylene, Cast/Blown Film Grade

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LyondellBasell Petrothene® NA373242 Low Density Polyethylene, Cast/Blown Film Grade (discontinued **)
Categories:	Polymer; Film; Thermoplastic; Polyethylene (PE); Low Density (LDPE); Low Density Polyethylene (LDPE), Blow Molding Grade
Material Notes:	Applications Petrothene NA373 is a series of homopolymer resins selected by customers for use in household film and other applications that require high clarity and good impact strength combined with low COF. Regulatory Status The basic NA373 resin meets the requirements of the Food and Drug Administration, regulation 21 CFR 177.1520. Processing Techniques Specific recommendations for processing NA373 resins can only be made when the processing conditions, equipment and end use are known.
Key Words:	FDA 21 CFR 177.1520.
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Physical Properties	Original Value	Comments

Density	0.924 g/cc	ASTM D1505
Thickness	1.25 mil	Cast, as tested
	1.25 mil	Blown, as tested
Melt Flow	3.0 g/10 min	ASTM D1238
Antiblock Level	0.000 ppm
Slip Level	3900 ppm

Mechanical Properties	Original Value	Comments
Film Tensile Strength at Yield, MD	1360 psi	Cast; ASTM D822
	1580 psi	Blown; ASTM D822
Film Tensile Strength at Yield, TD	1350 psi	Cast; ASTM D822
	1550 psi	Blown; ASTM D822
Film Elongation at Break, MD	200 %	Blown; ASTM D822
	230 %	Cast; ASTM D822
Film Elongation at Break, TD	500 %	Blown; ASTM D822
	610 %	Cast; ASTM D822
Elmendorf Tear Strength MD	270 g	Blown; ASTM D1922
	300 g	Cast; ASTM D1922
Elmendorf Tear Strength TD	160 g	Cast; ASTM D1922
	170 g	Blown; ASTM D1922
Dart Drop Test	65.0 g	Blown; ASTM D1709, F₅₀
	110 g	Cast; ASTM D1709, F₅₀
Film Tensile Strength at Break, MD	2700 psi	Blown; ASTM D822
	4220 psi	Cast; ASTM D822
Film Tensile Strength at Break, TD	2470 psi	Cast; ASTM D822
	2500 psi	Blown; ASTM D822
1% Secant Modulus, MD	23000 psi	Blown; ASTM D882
	30200 psi	Cast; ASTM D882
1% Secant Modulus, TD	25000 psi	Blown; ASTM D882
	28600 psi	Cast; ASTM D882

Optical Properties	Original Value	Comments
Haze	3.4 %	Cast; ASTM D1003
	5.4 %	Blown; ASTM D1003
Gloss	70 %	Blown, 45°; ASTM D2457
	77 %	Cast, 45°; ASTM D2457

Processing Properties	Original Value	Comments
Melt Temperature	375 °F	Blown
	500 °F	Cast

Compliance Properties	Original Value	Comments
FDA	Yes

**
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