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Rulon Bearings

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DuPont Teijin Films Mylar® LBT Polyester Film, 75 Gauge (19 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 0.600 cc-mm/m²-24hr-atmASTM E96 Procedure E
Water Vapor Transmission 30.0 g/m²/dayASTM E96 Procedure E
Oxygen Transmission 2.10 cc-mm/m²-24hr-atmor 110 cc/m²-24hr-atm for the film. ASTM D3985
Thickness 19.0 microns
 
Mechanical PropertiesOriginal ValueComments
Film Elongation at Break, MD 130 %ASTM D882
Film Elongation at Break, TD 100 %ASTM D882
Modulus of Elasticity 3.79 GPa(stiffness), ASTM D882
Tear Strength Test 400Graves, g; ASTM D1004
Film Tensile Strength at Break, MD 200 MPaASTM D882
Film Tensile Strength at Break, TD 242 MPaASTM D882
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 121 °CMay be used to contain foods during baking above this temperature.
Shrinkage 2.2 %
@Temperature 150 °C,
Time 1800 sec
Film shrinkage in oven.
 
Optical PropertiesOriginal ValueComments
Haze 6.5 %ASTM D1003
Gloss 180 %20°; ASTM D2457
Transmission, Visible 73 %% Clarity; ASTM D1746

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PDU677 / 33126

Master Bond adhesives

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