Bayport Polymers Baystar™ HL 323 MDPE Medium Density Polyethylene, Film Resin

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Bayport Polymers Baystar™ HL 323 MDPE Medium Density Polyethylene, Film Resin
Categories:	Polymer; Film; Thermoplastic; Polyethylene (PE); High Density (HDPE); Medium Density (MDPE); Medium Density Polyethylene (MDPE), Film Grade
Material Notes:	Medium molecular weight, medium density film resin Characteristics: Excellent balance of stiffness and impact strength Good puncture resistance Excellent compatibility with LDPE and LLDPE Good tensile strength Good heat sealing characteristics Applications: Specialty Merchandise bags Mailing envelopes Heavy-duty shipping sacks Pallet shrink films Fresh cut produce packaging Coextrusion This former Total Petrochemicals grade is now a part of the Bayport Polymers joint venture.
Key Words:	Excellent balance of stiffness and impact strength
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Physical Properties	Metric	English	Comments

Density	0.937 g/cc	0.0339 lb/in³	ASTM D-792
Water Vapor Transmission	12.4 g/m²/day @Temperature 37.8 °C	0.800 g/100 in²/day @Temperature 100 °F	ASTM F1249
Melt Flow	0.23 g/10 min @Load 2.16 kg, Temperature 190 °C	0.23 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM D-1238

Mechanical Properties	Metric	English	Comments
Film Tensile Strength at Yield, MD	12.4 MPa	1800 psi	ASTM D-882, A
Film Tensile Strength at Yield, TD	19.3 MPa	2800 psi	ASTM D-882, A
Film Elongation at Break, MD	500 %	500 %	ASTM D-882, A
Film Elongation at Break, TD	900 %	900 %	ASTM D-882, A
Elmendorf Tear Strength MD	18 g	18 g	ASTM D1922
Elmendorf Tear Strength TD	1350 g	1350 g	ASTM D1922
Dart Drop Test	<= 50.0 g	<= 0.110 lb	ASTM D-1709, A
Film Tensile Strength at Break, MD	57.2 MPa	8300 psi	ASTM D-882, A
Film Tensile Strength at Break, TD	36.5 MPa	5300 psi	ASTM D-882, A
1% Secant Modulus, MD	441 MPa	64000 psi	ASTM D-882, A
1% Secant Modulus, TD	586 MPa	85000 psi	ASTM D-882, A

Thermal Properties	Metric	English	Comments
Melting Point	126 °C	259 °F	ASTM D-3417

Processing Properties	Metric	English	Comments
Melt Temperature	193 - 216 °C	380 - 420 °F	Extrusion

Descriptive Properties
process	Film

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PBAYST815 / 130489

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