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Ensinger PEI

DuPont Teijin Films Mylar® MC2 Polyester Film, 50 Gauge (14 µm), PVDC Coated
Categories: Polymer; Film; Thermoplastic; Polyester, TP; Polyvinyl Dichloride (PVDC); Polyvinyl Dichloride (PVDC) Coated Polyester Film

Material Notes: Data provided by DuPont Packaging Polymers.

A polyester film with a vacuum deposited layer of aluminum on one side and overcoated on both sides with a heat sealable PVDC copolymer. The film has excellent oxygen, moisture, and light barrier properties. It is available in 50 and 100 gauge. Can be used in plain and structured form to package snacks, candy, nuts, pharmaceuticals, dry chemicals, and other materials that require protection from moisture, oxygen, and light.

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Physical PropertiesMetricEnglishComments
Density 1.40 g/cc0.0506 lb/in³Average value for Mylar® films.
Moisture Vapor Transmission 0.00800 cc-mm/m²-24hr-atm0.0203 cc-mil/100 in²-24hr-atmASTM E96 Procedure E
Water Vapor Transmission 0.600 g/m²/day0.0386 g/100 in²/dayASTM E96 Procedure E
Oxygen Transmission 0.00210 cc-mm/m²-24hr-atm0.00533 cc-mil/100 in²-24hr-atmor 0.15 cc/m²-24hr-atm for the film. ASTM D3985
Thickness 14.0 microns0.551 mil
 
Mechanical PropertiesMetricEnglishComments
Film Elongation at Break, MD 100 %100 %ASTM D882
Film Elongation at Break, TD 80 %80 %ASTM D882
Modulus of Elasticity 3.45 GPa500 ksi(stiffness), ASTM D882
Tear Strength Test 300300Graves, g; ASTM D1004
Seal Strength 201 g/25 mm201 g/in
Film Tensile Strength at Break, MD 165 MPa23900 psiASTM D882
Film Tensile Strength at Break, TD 193 MPa28000 psiASTM D882
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air 121 °C250 °FNot cleared by FDA for food temperatures above this temperature.
Shrinkage 1.5 %
@Temperature 150 °C,
Time 1800 sec
1.5 %
@Temperature 302 °F,
Time 0.500 hour
Film shrinkage in oven.

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