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DuPont Teijin Films Mylar® 850H Polyester Film, 80 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® 850H Polyester Film, 80 Gauge.pdf
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Material Notes:
Mylar® 850H (also called Mylar® 850) is a co-extruded, one side amorphous, heat sealable polyester film designed to be used in metallized, print, and lamination applications. This film is suitable for use in contact with food.Approvals: FDA Food Contact Status - All gauges of Mylar® 850H (or 850) 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® 850H (or 850) 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 27.9 g/m²/day

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

@Temperature 100 °F
90% RH; ASTM F1249
Mechanical Properties Metric English Comments
Film Elongation at Break, MD 100 %
100 %
ASTM D882A
Film Elongation at Break, TD 90 %
90 %
ASTM D882A
Coefficient of Friction, Dynamic 0.50
0.50
A-B; ASTM D1894
Film Tensile Strength at Break, MD 186 MPa
27000 psi
ASTM D882A
Film Tensile Strength at Break, TD 200 MPa
29000 psi
ASTM D882A
Heat Seal Strength Initiation Temperature 104 - 204 °C
220 - 400 °F
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
Shrinkage, TD 0.30 %

@Temperature 150 °C,
Time 1800 sec
0.30 %

@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 88.6 %
88.6 %
TLT; ASTM D1003
Descriptive Properties Value Comments
Gas Permeability (Base film) 3.7 cc/100 in2
O2, 24 hr; ASTM D1434 (77°F/75% RH/1 ATM)
Yield (nominal) 24800 in2/lb
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