DuPont Teijin Films Mylar® LB Polyester Film, 48 Gauge (12 µm)

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DuPont Teijin Films Mylar® LB Polyester Film, 48 Gauge (12 µm)
Categories:	Polymer; Film; Thermoplastic; Polyester, TP; Polyester Film
Material Notes:	Data provided by DuPont Packaging Polymers. An uncoated, transparent polyester film designed for use as a component of a lamination. Standard thickness offered include 48, 75, and 92 gauges. Varieties with enhanced surface characteristics for bonding by inks, primers, and adhesives. A basic lamination would combine plain or printed LB with a heat sealable ply consisting of LDPE, LLDPE, EVA, ionomer, acid copolymer, PVC, or other materials using adhesive or extrusion laminating techniques.
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Physical Properties	Metric	English	Comments

Density	1.40 g/cc	0.0506 lb/in³	Average value for Mylar® films.
Moisture Vapor Transmission	0.500 cc-mm/m²-24hr-atm	1.27 cc-mil/100 in²-24hr-atm	ASTM E96 Procedure E
Water Vapor Transmission	43.0 g/m²/day	2.77 g/100 in²/day	ASTM E96 Procedure E
Oxygen Transmission	1.70 cc-mm/m²-24hr-atm	4.32 cc-mil/100 in²-24hr-atm	or 140 cc/m²-24hr-atm for the film. ASTM D3985
Thickness	12.0 microns	0.472 mil

Mechanical Properties	Metric	English	Comments
Film Elongation at Break, MD	110 %	110 %	ASTM D882
Film Elongation at Break, TD	80 %	80 %	ASTM D882
Modulus of Elasticity	3.79 GPa	550 ksi	(stiffness), ASTM D882
Tear Strength Test	300	300	Graves, g; ASTM D1004
Film Tensile Strength at Break, MD	186 MPa	27000 psi	ASTM D882
Film Tensile Strength at Break, TD	234 MPa	33900 psi	ASTM D882

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	121 °C	250 °F	May be used to contain foods during baking above this temperature.
Shrinkage, MD	2.2 % @Temperature 150 °C, Time 1800 sec	2.2 % @Temperature 302 °F, Time 0.500 hour	Film shrinkage in oven.
Shrinkage, TD	1.3 % @Temperature 150 °C, Time 1800 sec	1.3 % @Temperature 302 °F, Time 0.500 hour	Film shrinkage in oven.

Optical Properties	Metric	English	Comments
Haze	4.5 %	4.5 %	ASTM D1003
Gloss	200 %	200 %	20°; ASTM D2457
Transmission, Visible	76 %	76 %	% Clarity; ASTM D1746

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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PDU656 / 33105

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