| 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® EL Polyester Film, 142 Gauge.pdf  | 
| Price | EMAIL US sales@lookpolymers.com | 
| Physical Properties | Metric | English | Comments | 
|---|---|---|---|
| Density | 1.39 g/cc | 0.0502 lb/in³ | Typical Mylar®; ASTM D1505 | 
| Mechanical Properties | Metric | English | Comments | 
|---|---|---|---|
| Film Elongation at Break, MD | 125 % | 125 % | ASTM D882A | 
| Film Elongation at Break, TD | 100 % | 100 % | ASTM D882A | 
| Film Tensile Strength at Break, MD | 193 MPa | 28000 psi | ASTM D882A | 
| Film Tensile Strength at Break, TD | 234 MPa | 34000 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 | 1.5 % @Temperature 150 °C, Time 1800 sec | 1.5 % @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 | 
|---|---|---|---|
| Refractive Index | 1.64 - 1.67 | 1.64 - 1.67 | typical of Mylar® | 
| Haze | 18 % | 18 % | ASTM D1003 | 
| Electrical Properties | Metric | English | Comments | 
|---|---|---|---|
| Dielectric Strength | 152.5 kV/mm | 3873 kV/in | 1/4" electrode 500 V/sec 25°C in air; ASTM D149 | 
| Dielectric Breakdown | 5500 V | 5500 V | 1/4" electrode 500 V/sec 25°C in air; ASTM D149 | 
| Descriptive Properties | Value | Comments | 
|---|---|---|
| Yield (nominal) | 14000 in2/lb |