Bayport Polymers Baystar™ L425 HDPE Film

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Bayport Polymers Baystar™ L425 HDPE Film
Categories:	Polymer; Film; Thermoplastic; Polyethylene (PE); High Density (HDPE); Medium Density (MDPE); Medium Density Polyethylene (MDPE), Film Grade
Material Notes:	Blown film polyethylene grade. Provides excellent bubble stability, exceptional tear strength, high impact and puncture resistance, outstanding clarity and gloss, good stiffness, excellent compatibility with LDPE and LLDPE.. Applications: L425 is recommended for shrink films, heavy duty sacks, food packaging, laminations and multilayer packaging film. This former Total Petrochemicals grade is now a part of the Bayport Polymers joint venture.
Key Words:	Excellent bubble stability and tear strength; Outstanding clarity and gloss
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Physical Properties	Original Value	Comments

Density	0.925 g/cc	ASTM D-792
Thickness	25.4 microns	as tested; BUR 2.5
Melt Flow	0.40 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM D-1238
High Load Melt Index	12 g/10 min @Load 21.6 kg, Temperature 190 °C	ASTM D-1238

Mechanical Properties	Original Value	Comments
Film Elongation at Break, MD	700 %	ASTM D-882, A
Film Elongation at Break, TD	800 %	ASTM D-882, A
Elmendorf Tear Strength MD	350 g	ASTM D1922
Elmendorf Tear Strength TD	800 g	ASTM 1922
Dart Drop Test	300 g	ASTM D1709, A
Film Tensile Strength at Break, MD	6500 psi	ASTM D-882, A
Film Tensile Strength at Break, TD	6000 psi	ASTM D-882, A
1% Secant Modulus, MD	33000 psi	ASTM D-882, A
1% Secant Modulus, TD	34000 psi	ASTM D-882, A

Thermal Properties	Original Value	Comments
Melting Point	248 °F	ASTM D-3417

Optical Properties	Original Value	Comments
Haze	8.0 %	ASTM D-1003
Gloss	60 %	45°; ASTM D-523

Descriptive Properties
Process	Film

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PBAYST822 / 177708

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