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DuPont Teijin Films Mylar® 814 Polyester Film, 48 Gauge
Categories: Polymer; Film; Thermoplastic; Polyester, TP; Polyester Film

Material Notes: Mylar® 814 is a one-side pretreated polyester film which was designed for UV cure inks and also works well for EB cure overlaquers.

General Product Info: Mylar® 814 is designed to provide excellent adhesion with print systems using UV cure. It can also be used with solvent or aqueous based print systems and EB cure overlaquers.

Approvals: FDA Food Contact Status - All gauges of Mylar® 814 comply with the Food and Drug Administration regulation 21 CFR 177.1630 -- Polyethylene phthalate polymers, Sections (f) and (g). This regulation describes films which may be safely used in contact with all types of food, excluding alcoholic beverages, at temperatures not to exceed 250 °F.

Information provided by DuPont.

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Physical PropertiesOriginal ValueComments
Density 1.40 g/cc
Thickness 0.480 mil
 
Mechanical PropertiesOriginal ValueComments
Film Elongation at Break, MD 110 %ASTM D882A
Film Elongation at Break, TD 70 %ASTM D882A
Coefficient of Friction, Dynamic 0.40[in2/lb], A-B; ASTM D1894
Coefficient of Friction, Static 0.50ASTM D1894
Film Tensile Strength at Break, MD 31000 psiASTM D882A
Film Tensile Strength at Break, TD 42000 psiASTM D882A
 
Thermal PropertiesOriginal ValueComments
Specific Heat Capacity 1.17 J/g-°CTypical Mylar®
Melting Point 254 °CTypical Mylar® via DSC
Maximum Service Temperature, Air 250 °F
Shrinkage, MD 1.25 %
@Temperature 150 °C,
Time 1800 sec
Unrestrained
 
Optical PropertiesOriginal ValueComments
Refractive Index 1.64 - 1.67typical of Mylar®
Transmission, Visible 90 %TLT; ASTM D1003
 
Compliance PropertiesOriginal ValueComments
FDA YesSee notes for details.
 
Descriptive Properties
Gas Permeability (Base film)0.6 cc/100 in2ASTM D1434 (24 hrs @ 77°F and 75% RH @ 1 ATM)
Yield (nominal)42200 psi

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PDTZ9265 / 139587

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