DuPont Teijin Films Mylar® HS Polyester Film, 80 Gauge (20 µm)

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DuPont Teijin Films Mylar® HS Polyester Film, 80 Gauge (20 µm)
Categories:	Polymer; Film; Thermoplastic; Polyester, TP; Polyester Film
Material Notes:	Data provided by DuPont Packaging Polymers. An uncoated, transparent polyester packaging film designed for heat shrink applications. It is currently available in 48, 65, 80, and 150 gauges, and other thicknesses may be made available upon request. Adhesive seamed, heat shrinkable tubing and contour bottom heat shrinkable bags made from unsupported Mylar HS, and heat shrinkable heat sealed tubing and bags made from laminations of Mylar HS and a suitable sealant web, are used for packaging.
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Physical Properties	Original Value	Comments

Density	1.40 g/cc	Average value for Mylar® films.
Moisture Vapor Transmission	0.500 cc-mm/m²-24hr-atm	ASTM E96 Procedure E
Water Vapor Transmission	26.0 g/m²/day	ASTM E96 Procedure E
Oxygen Transmission	2.20 cc-mm/m²-24hr-atm	or 110 cc/m²-24hr-atm for the film. ASTM D3985
Thickness	20.0 microns

Mechanical Properties	Original Value	Comments
Film Elongation at Break, MD	150 %	ASTM D882
Film Elongation at Break, TD	110 %	ASTM D882
Modulus of Elasticity	3.10 GPa	(stiffness), ASTM D882
Film Tensile Strength at Break, MD	214 MPa	ASTM D882
Film Tensile Strength at Break, TD	234 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, MD	0.45 % @Temperature 150 °C, Time 1800 sec	Film shrinkage in oven.
Shrinkage, TD	0.50 % @Temperature 150 °C, Time 1800 sec	Film shrinkage in oven.

Optical Properties	Original Value	Comments
Haze	12 %	ASTM D1003
Transmission, Visible	90 %	transparent; thickness not quantified

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PDU674 / 33123

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