DuPont Teijin Films Melinex® ST328 Polyester Film, 1400 Gauge

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DuPont Teijin Films Melinex® ST328 Polyester Film, 1400 Gauge
Categories:	Polymer; Film; Thermoplastic; Polyester, TP; Polyester Film
Material Notes:	Melinex® ST328 is an exceptionally white, opaque film with a satin finish. It is pretreated on both surfaces to promote adhesion to a wide range of solvent-based and UV-curable graphics inks and varnishes, silver conducting inks and dielectrics, and has been heat stabilized to give excellent dimensional stability at temperatures up to 302°F. Typical Applications: Melinex® ST328 has been developed for use in screen-printed medical test strips where a white background appearance is required. The tight thickness control of this film ensures reliable insertion into reading devices. Information provided by DuPont.
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Physical Properties	Metric	English	Comments

Density	1.42 g/cc	0.0513 lb/in³	ASTM D1505-85
Brightness	85.0 %	85.0 %	Whiteness; ASTM E313-79
Thickness	356 microns	14.0 mil

Mechanical Properties	Metric	English	Comments
Coefficient of Friction, Dynamic	0.40	0.40	A-B; ASTM D1894
Film Tensile Strength at Break, MD	152 MPa	22000 psi	ASTM D882A
Film Tensile Strength at Break, TD	165 MPa	24000 psi	ASTM D882A

Thermal Properties	Metric	English	Comments
CTE, linear	19.0 µm/m-°C @Temperature 20.0 - 50.0 °C	10.6 µin/in-°F @Temperature 68.0 - 122 °F
Melting Point	255 - 260 °C	491 - 500 °F	ASTM E794-85
Shrinkage, MD	<= 0.20 % @Temperature 150 °C, Time 1800 sec	<= 0.20 % @Temperature 302 °F, Time 0.500 hour	Unrestrained
Shrinkage, TD	<= 0.10 % @Temperature 150 °C, Time 1800 sec	<= 0.10 % @Temperature 302 °F, Time 0.500 hour	Unrestrained

Optical Properties	Metric	English	Comments
Gloss	45 %	45 %	60°; ASTM D1003
Yellow Index	-1.50 %	-1.50 %	ASTM D1925
Transmission, Visible	1.1 %	1.1 %	TLT; ASTM D1003

Descriptive Properties
Color	-0.1		a
	-0.8		b
	96.8		L

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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PDTZ9229 / 139557

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