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DuPont Teijin Films Mylar® 814 Polyester Film, 48 Gauge

Category Polymer , Film , Thermoplastic , Polyester, TP , Polyester Film
Manufacturer DuPont Teijin Films (DTF)
Trade Name Mylar®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF DuPont Teijin Films Mylar® 814 Polyester Film, 48 Gauge.pdf
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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.
Physical Properties Metric English Comments
Density 1.40 g/cc
0.0506 lb/in³
Mechanical Properties Metric English Comments
Film Elongation at Break, MD 110 %
110 %
ASTM D882A
Film Elongation at Break, TD 70 %
70 %
ASTM D882A
Coefficient of Friction, Dynamic 0.40
0.40
[in<sup>2</sup>/lb], A-B; ASTM D1894
Coefficient of Friction, Static 0.50
0.50
ASTM D1894
Film Tensile Strength at Break, MD 214 MPa
31000 psi
ASTM D882A
Film Tensile Strength at Break, TD 290 MPa
42000 psi
ASTM D882A
Thermal Properties Metric English Comments
Specific Heat Capacity 1.17 J/g-°C
0.280 BTU/lb-°F
Typical Mylar®
Melting Point 254 °C
489 °F
Typical Mylar® via DSC
Maximum Service Temperature, Air 121 °C
250 °F
Shrinkage, MD 1.25 %

@Temperature 150 °C,
Time 1800 sec
1.25 %

@Temperature 302 °F,
Time 0.500 hour
Unrestrained
Optical Properties Metric English Comments
Refractive Index 1.64 - 1.67
1.64 - 1.67
typical of Mylar®
Transmission, Visible 90 %
90 %
TLT; ASTM D1003
Descriptive Properties Value Comments
Gas Permeability (Base film) 0.6 cc/100 in2
ASTM D1434 (24 hrs @ 77°F and 75% RH @ 1 ATM)
Yield (nominal) 42200 psi
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