Songhan Plastic Technology Co.,Ltd.

DuPont Teijin Films Mylar® OWF Polyester Film, 48 Gauge

Category Polymer , Film , Thermoplastic , Polyester, TP , Polyester Film
Manufacturer DuPont Teijin Films (DTF)
Trade Name Mylar®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF DuPont Teijin Films Mylar® OWF Polyester Film, 48 Gauge.pdf
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Material Notes:
Product Description: Mylar® OWF is a co-extruded, one side amorphous, heat sealable polyester film designed to be used as an overwrap film. This film is suitable for use in contact with food. Approvals: FDA Food Contact Status - All gauges of Mylar® OWF 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® OWF can be used to contain foods during oven cooking or oven baking at temperatures above 250 °F.Information provided by DuPont.
Physical Properties Metric English Comments
Density 1.40 g/cc
0.0506 lb/in³
Water Vapor Transmission 43.5 g/m²/day

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

@Temperature 100 °F
90% RH; ASTM F1249
Mechanical Properties Metric English Comments
Film Elongation at Break, MD 100 %
100 %
Film Elongation at Break, TD 90 %
90 %
Coefficient of Friction, Dynamic 0.50
ASTM D1894
Film Tensile Strength at Break, MD 186 MPa
27000 psi
Film Tensile Strength at Break, TD 200 MPa
29000 psi
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
Shrinkage, TD 0.30 %

@Temperature 150 °C,
Time 1800 sec
0.30 %

@Temperature 302 °F,
Time 0.500 hour
Optical Properties Metric English Comments
Haze 3.0 %
3.0 %
ASTM D1003
Transmission, Visible 88.7 %
88.7 %
ASTM D1003
Descriptive Properties Value Comments
Gas Permeability (Base film) 6 cc/100 in2
O2, 24 hr; ASTM D3985 77°F/75% RH/1 ATM
Yield (nominal) 42200 in2/lb
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