Westlake Mxsten CV77519 Polyethylene Plastomer

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Westlake Mxsten CV77519 Polyethylene Plastomer
Categories:	Polymer; Thermoplastic; Polyethylene (PE)
Material Notes:	Mxsten CV Plastomer CV77519 is a polyethylene plastomer designed for blown film extrusion that contains no slip and no antiblock. It does contain high processing aid. Films produced with this resin exhibit exceptionally low seal initiation temperature with a broad hot tack window combined with good stiffness. Other features of this resin include extreme strength in cold and refrigerated temperature environments, high resistance to tears, and high MVTR. Its applications include: agricultural tubing, blown film, food packaging, and trash bags. This resin grade complies with 21 CFR 177.1520. Extrusion conditions used to produce 1 mil (0.025 mm) film include a 6ï¿½ die, 2.5ï¿½ 24:1 L:D barrier screw, 2.4:1 BUR, 100-mil die gap, 15ï¿½ frostline height, 450ï¿½ F melt temperature, and 7.5 lb/hr/inch die output. Density results are on Base Resin.
Key Words:	Low seal initiation temperature with a broad hot tack window combined with good stiffness
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Physical Properties	Metric	English	Comments

Density	0.906 g/cc	0.0327 lb/in³	ASTM-D4883
Thickness	25.4 microns	1.00 mil
Melt Flow	0.50 g/10 min @Load 2.16 kg, Temperature 190 °C	0.50 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM-D1238

Mechanical Properties	Metric	English	Comments
Film Tensile Strength at Yield, MD	62.0 MPa	8990 psi	ASTM-D882
Film Tensile Strength at Yield, TD	8.00 MPa	1160 psi	ASTM-D882
Film Elongation at Break, MD	600 %	600 %	ASTM-D822
Film Elongation at Break, TD	1000 %	1000 %	ASTM-D882
Elmendorf Tear Strength MD	600 g	600 g	ASTM-D1992
Elmendorf Tear Strength TD	650 g	650 g	ASTM-D1992
Dart Drop Test	>= 2000 g	>= 4.41 lb	ASTM-D1709A
Film Tensile Strength at Break, MD	62.0 MPa	8990 psi	ASTM-D882
Film Tensile Strength at Break, TD	45.0 MPa	6530 psi	ASTM-D882
1% Secant Modulus, MD	124 MPa	18000 psi	ASTM-D822
1% Secant Modulus, TD	145 MPa	21000 psi	ASTM-D822
Heat Seal Strength Initiation Temperature	82.0 °C	180 °F	Temperature at which 200 g/in. seal strength is achieved.; Westlake Test

Optical Properties	Metric	English	Comments
Haze	8.0 %	8.0 %	ASTM-D1003
Gloss	60 %	60 %	Angle 45°; ASTM-D2457

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes	See notes for details.

Descriptive Properties
process	Blown Film

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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