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Master Bond adhesives

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DuPont Teijin Films Mylar® A Polyester Film, 400 Gauge
Categories: Polymer; Film; Thermoplastic; Polyester, TP; Polyester Film

Material Notes: Mylar® A films are tough, general purpose films that are transparent in 48 through 92 gauge and translucent in heavier gauges. They have a rough surface to provide ease of handling, good adhesion, and processability.

Mylar® A films have balanced tensile properties and excellent resistance to moisture and most chemicals. They can withstand temperature extremes from -100°F to 300ºF. Mylar® does not become brittle with age under normal conditions, because it contains no plasticizers.

Typical Applications:

  • Apparel stays
  • Book jackets
  • Carbon ribbon
  • Control Tape
  • Drumheads
  • Duct Liners
  • Identifications
  • Membrane touch switches
  • Metallized Base
  • Pressure Sensitive Labels (plain or metallized)
  • Protective surfacing
  • Release liners
  • Roll leaf (hot stamping)
  • Spirit Masters
Approvals: FDA Food Contact Status - All gauges of Mylar® A comply with the Food and Drug Administration regulation 21 CFR 177.1630 -- Polyethylene phthalate polymers. This regulation describes films which may be safely used in contact with all types of food excluding alcoholic beverages. Uncoated films such as Mylar® A can be used to contain foods during oven cooking or oven baking at temperatures above 250 °F. UL 94 VTM-2 - for 92-1400 gauge (0.023 - 0.35mm). UL Recognition - for 92-500 gauge (0.023-0.13mm) HWI=5, HAI=4, CTI=1; for 700-1400 gauge (0.18-0.35mm) HWI=4, HAI=0, CTI=1

Information provided by DuPont.

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Physical PropertiesOriginal ValueComments
Density 1.39 g/ccASTM D1505
Viscosity Measurement 0.56ASTM D2857
Thickness 4.00 mil
 
Mechanical PropertiesOriginal ValueComments
Film Elongation at Break, MD 140 %ASTM D882A
Film Elongation at Break, TD 115 %ASTM D882A
Tensile Modulus 507000 psiASTM D822
Poissons Ratio 0.38Typical Mylar® before yield
 0.58Typical Mylar® after yield
Film Tensile Strength at Break, MD 26000 psiASTM D882A
Film Tensile Strength at Break, TD 30000 psiASTM D882A
 
Electrical PropertiesOriginal ValueComments
Comparative Tracking Index 400 - 600 V
Hot Wire Ignition, HWI <= 7.0 sec
High Amp Arc Ignition, HAI <= 15 arcs
 
Thermal PropertiesOriginal ValueComments
CTE, linear 17.0 µm/m-°C
@Temperature 30.0 - 50.0 °C
92 Gauge; ASTM D696
Specific Heat Capacity 1.17 J/g-°C
Thermal Conductivity 0.000370 cal cm/sec-cm²-°C
@Temperature 25.0 - 75.0 °C
(Mylar® 1000A)
Melting Point 254 °CDSC
Maximum Service Temperature, Air 300 °F
Minimum Service Temperature, Air -100 °F
Shrinkage, MD 1.1 %
@Temperature 150 °C,
Time 1800 sec
Unrestrained
Shrinkage, TD 0.70 %
@Temperature 150 °C,
Time 1800 sec
Unrestrained
 
Optical PropertiesOriginal ValueComments
Refractive Index 1.64 - 1.67typical of Mylar®
Haze 20 - 55 %ASTM D1003
 
Compliance PropertiesOriginal ValueComments
FDA YesSee notes for details.
 
Descriptive Properties
Yield (nominal)5000 in2/lb

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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PDTZ9278 / 139600

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