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DuPont Teijin Films Mylar® M813 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® M813 Polyester Film, 48 Gauge.pdf
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Material Notes:
Mylar® M813 is a clear, pretreated base film with high gloss, low haze, and excellent processability. It is a one side pre-treated polyester designed for improved ink adhesion and may be suitable for use in medical applications.General Product Info: Mylar® M813 film provides good clarity for reverse printing and allows inks to shine through with high quality. The film's pretreated surface also provides improved adhesion for various coatings and adhesives, often eliminating the need for any type of priming operation. The chemical pretreatment on Mylar® M813 film does not result in a performance or shelf life decline over time, and generally is superior to corona treated film. Mylar® M813 film features good clarity and handling characteristics in metallizing operations. When aluminum metallized, the film exhibits excellent aesthetic quality as well as the best barrier to oxygen and moisture in a flexible packaging film. Polyester is more thermally stable at higher temperatures and has higher tensile strength than materials such as polypropylene or polyethylene. Mylar® polyester film also maintains an excellent film thickness profile and roll formation to ensure consistent processability in the operations. These characteristics are particularly important in complex, multi-stage printing operations where holding print register is critical to print quality. As print complexity, quality and speeds increase, Mylar® film provides a cost-effective solution for the packaging industry.Approvals: FDA Food Contact Status - All gauges of Mylar® M813 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. Drug Master File - This product is listed in our Drug Master File.Information provided by DuPont.
Physical Properties Metric English Comments
Density 1.40 g/cc
0.0506 lb/in³
Water Vapor Transmission 0.776 g/m²/day

@Temperature 38.0 °C
0.0500 g/100 in²/day

@Temperature 100 °F
90% RH, metallized; ASTM F1249
31.0 g/m²/day

@Temperature 38.0 °C
2.00 g/100 in²/day

@Temperature 100 °F
90% RH, unmetallized; ASTM F1249
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
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 3.5 %

@Temperature 190 °C,
Time 300 sec
3.5 %

@Temperature 374 °F,
Time 0.0833 hour
Unrestrained
Shrinkage, TD 3.5 %

@Temperature 190 °C,
Time 300 sec
3.5 %

@Temperature 374 °F,
Time 0.0833 hour
Unrestrained
Optical Properties Metric English Comments
Refractive Index 1.64 - 1.67
1.64 - 1.67
typical of Mylar®
Haze 3.6 %
3.6 %
ASTM D1003
Transmission, Visible 88.5 %
88.5 %
ASTM D1003
Descriptive Properties Value Comments
Gas Permeability (Base film) 0.08 cc/100 in2
O2, 24 hr; ASTM D1434 77°F/75% RH/1 ATM (metallized)
1.6 cc/100 in2
Nitrogen; ASTM D1434 (24 hrs @ 77°F and 75% RH @ 1 ATM)
31 cc/100 in2
Carbon Dioxide; ASTM D1434 (24 hrs @ 77°F and 75% RH @ 1 ATM)
6 cc/100 in2
O2, 24 hr; ASTM D1434 (unmetallized)
Yield (nominal) 42200 in2/lb
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