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DuPont Teijin Films Melinex® ST730 Polyester Film

Category Polymer , Film , Thermoplastic , Polyester, TP , Polyester Film
Manufacturer DuPont Teijin Films (DTF)
Trade Name Melinex®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF DuPont Teijin Films Melinex® ST730 Polyester Film.pdf
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Material Notes:
Melinex® ST730 is an optically clear, heat stabilized polyester film which is differentially treated on both sides. One side provides exceptional adhesion to both solvent based and UV curing inks and lacquers. The other side provides in addition to exceptional adhesion properties, unique UV Multipass exposure resilience. These characteristics make Melinex® ST730 film particularly suited for the graphics layer of membrane touch switches with a multifold exposure to UV.Approvals: UL 94 VTM-2 - for 500, 700, 1000 gauge (0.13, 0.18, 0.25mm)Information provided by DuPont.
Physical Properties Metric English Comments
Density 1.39 g/cc
0.0502 lb/in³
Thermal Properties Metric English Comments
CTE, linear 34.2 µm/m-°C

@Temperature 20.0 - 50.0 °C
19.0 µin/in-°F

@Temperature 68.0 - 122 °F
Shrinkage, MD 1.0 %

@Temperature 150 °C,
Time 1800 sec
1.0 %

@Temperature 302 °F,
Time 0.500 hour
Unrestrained
Shrinkage, TD 1.0 %

@Temperature 150 °C,
Time 1800 sec
1.0 %

@Temperature 302 °F,
Time 0.500 hour
Unrestrained
Optical Properties Metric English Comments
Haze 1.0 %

@Thickness 0.127 mm
1.0 %

@Thickness 0.00500 in
ASTM D1003
1.0 %

@Thickness 0.178 mm
1.0 %

@Thickness 0.00700 in
ASTM D1003
1.2 %

@Thickness 0.254 mm
1.2 %

@Thickness 0.0100 in
ASTM D1003
Descriptive Properties Value Comments
Coefficient of Hygroscopic Expansion 0.000008 IN/IN/% RH
40% - 80% RH
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