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Master Bond adhesives

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DuPont Teijin Films Mylar® LBT Polyester Film, 92 Gauge (23 µm)
Categories: Polymer; Film; Thermoplastic; Polyester, TP; Polyester Film

Material Notes: Data provided by DuPont Packaging Polymers.

An uncoated, transparent polyester film that has been corona-treated to provide superior wetting and adhesion to inks, primers, and adhesives. Standard thicknesses include 48, 75, and 92 gauges. Other gauges may be available on special request. Typically used as the reverse printed outer ply of a lamination with inner plies providing additional oxygen barrier if needed, as well as heat sealability.

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Physical PropertiesOriginal ValueComments
Density 1.40 g/ccAverage value for Mylar® films.
Moisture Vapor Transmission 0.500 cc-mm/m²-24hr-atmASTM E96 Procedure E
Water Vapor Transmission 20.0 g/m²/dayASTM E96 Procedure E
Oxygen Transmission 1.70 cc-mm/m²-24hr-atmor 75 cc/m²-24hr-atm for the film. ASTM D3985
Thickness 23.0 microns
 
Mechanical PropertiesOriginal ValueComments
Film Elongation at Break, MD 140 %ASTM D882
Film Elongation at Break, TD 80 %ASTM D882
Modulus of Elasticity 3.79 GPa(stiffness), ASTM D882
Tear Strength Test 500Graves, g; ASTM D1004
Film Tensile Strength at Break, MD 187 MPaASTM D882
Film Tensile Strength at Break, TD 276 MPaASTM D882
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 121 °CMay be used to contain foods during baking above this temperature.
Shrinkage 1.6 %
@Temperature 150 °C,
Time 1800 sec
Film shrinkage in oven.
 
Optical PropertiesOriginal ValueComments
Haze 9.0 %ASTM D1003
Gloss 150 %20°; ASTM D2457
Transmission, Visible 70 %% Clarity; ASTM D1746

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PDU678 / 33127

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