| 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® M813 Polyester Film, 48 Gauge.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.40 g/cc | 0.0506 lb/in³ | |
| Water Vapor Transmission | 0.776 g/m²/day @Temperature 38.0 °C |
0.0500 g/100 in²/day @Temperature 100 °F |
90% RH, metallized; ASTM F1249 |
| 31.0 g/m²/day @Temperature 38.0 °C |
2.00 g/100 in²/day @Temperature 100 °F |
90% RH, unmetallized; ASTM F1249 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Film Elongation at Break, MD | 110 % | 110 % | ASTM D882A |
| Film Elongation at Break, TD | 70 % | 70 % | ASTM D882A |
| Coefficient of Friction, Dynamic | 0.40 | 0.40 | A-B; ASTM D1894 |
| Coefficient of Friction, Static | 0.50 | 0.50 | ASTM D1894 |
| Film Tensile Strength at Break, MD | 214 MPa | 31000 psi | ASTM D882A |
| Film Tensile Strength at Break, TD | 290 MPa | 42000 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 |
| Maximum Service Temperature, Air | 121 °C | 250 °F | |
| Shrinkage, MD | 3.5 % @Temperature 190 °C, Time 300 sec |
3.5 % @Temperature 374 °F, Time 0.0833 hour |
Unrestrained |
| Shrinkage, TD | 3.5 % @Temperature 190 °C, Time 300 sec |
3.5 % @Temperature 374 °F, Time 0.0833 hour |
Unrestrained |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.64 - 1.67 | 1.64 - 1.67 | typical of Mylar® |
| Haze | 3.6 % | 3.6 % | ASTM D1003 |
| Transmission, Visible | 88.5 % | 88.5 % | ASTM D1003 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Gas Permeability (Base film) | 0.08 cc/100 in2 | O2, 24 hr; ASTM D1434 77°F/75% RH/1 ATM (metallized) |
| 1.6 cc/100 in2 | Nitrogen; ASTM D1434 (24 hrs @ 77°F and 75% RH @ 1 ATM) | |
| 31 cc/100 in2 | Carbon Dioxide; ASTM D1434 (24 hrs @ 77°F and 75% RH @ 1 ATM) | |
| 6 cc/100 in2 | O2, 24 hr; ASTM D1434 (unmetallized) | |
| Yield (nominal) | 42200 in2/lb |