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® EL21 Polyester Film, 750 Gauge.pdf |
Price | EMAIL US sales@lookpolymers.com |
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 1.3928 g/cc | 0.050318 lb/in³ |
Mechanical Properties | Metric | English | Comments |
---|---|---|---|
Film Elongation at Break, MD | 140 % | 140 % | ASTM D882A |
Film Elongation at Break, TD | 115 % | 115 % | ASTM D882A |
Film Tensile Strength at Break, MD | 186 MPa | 27000 psi | ASTM D882A |
Film Tensile Strength at Break, TD | 207 MPa | 30000 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 |
Shrinkage, MD | 1.6 % @Temperature 150 °C, Time 1800 sec |
1.6 % @Temperature 302 °F, Time 0.500 hour |
Unrestrained |
Shrinkage, TD | 0.90 % @Temperature 150 °C, Time 1800 sec |
0.90 % @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® |
Optical Density | 38 | 38 | [%] |
Electrical Properties | Metric | English | Comments |
---|---|---|---|
Dielectric Strength | 91.85 kV/mm | 2333 kV/in | 1/4" electrode 500 V/sec 25°C in air; ASTM D149 |
Dielectric Breakdown | 17500 V | 17500 V | 1/4" electrode 500 V/sec 25°C in air; ASTM D149 |
Comparative Tracking Index | 400 - 600 V | 400 - 600 V | |
Hot Wire Ignition, HWI | 7.0 - 15 sec | 7.0 - 15 sec | |
High Amp Arc Ignition, HAI | >= 120 arcs | >= 120 arcs |
Descriptive Properties | Value | Comments |
---|---|---|
Yield (nominal) | 2600 in2/lb |