DuPont Teijin Films Mylar® P25 Polyester Film, 50 Gauge (13 µm)

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DuPont Teijin Films Mylar® P25 Polyester Film, 50 Gauge (13 µm) (discontinued **)
Categories:	Polymer; Film; Thermoplastic; Polyester, TP; Polyester Film
Material Notes:	Data provided by DuPont Packaging Polymers. An uncoated, transparent polyester packaging film designed to be combined with a sealant layer, where the resulting structure will be shallow draw thermoformed. Standard thicknesses are 50 and 75 gauge, although other thicknesses may be available. Combinations of P25 and a sealant layer are used in peelable lidding, in medical packaging, and as the formed web in hermetically sealed pouches for "heat-in-bag" applications for frozen entrees, vegetables, and similar applications.
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Physical Properties	Original Value	Comments

Density	1.40 g/cc	Average value for Mylar® films.
Moisture Vapor Transmission	0.600 cc-mm/m²-24hr-atm	ASTM E96 Procedure E
Water Vapor Transmission	43.0 g/m²/day	ASTM E96 Procedure E
Oxygen Transmission	1.80 cc-mm/m²-24hr-atm	or 140 cc/m²-24hr-atm for the film. ASTM D3985
Thickness	13.0 microns

Mechanical Properties	Original Value	Comments
Film Elongation at Break, MD	170 %	ASTM D882
Film Elongation at Break, TD	135 %	ASTM D882
Modulus of Elasticity	3.28 GPa	(stiffness), ASTM D882
Tear Strength Test	300	Graves, g; ASTM D1004
Film Tensile Strength at Break, MD	152 MPa	ASTM D882
Film Tensile Strength at Break, TD	179 MPa	ASTM D882

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	121 °C	May be used to contain foods during baking above this temperature.
Shrinkage	3.0 % @Temperature 150 °C, Time 1800 sec	Film shrinkage in oven.

Optical Properties	Original Value	Comments
Haze	5.0 %	ASTM D1003
Gloss	125 %	20°; ASTM D2457
Transmission, Visible	71 %	% Clarity; ASTM D1746

**
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DuPont Teijin Films Mylar® P25 Polyester Film, 50 Gauge

PDU652 / 33101

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