| 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, 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 | 43.5 g/m²/day @Temperature 38.0 °C |
2.80 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 | 88.7 % | 88.7 % | TLT; ASTM D1003 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Gas Permeability (Base film) | 6.0 cc/100 in2 | O2, 24 hr; ASTM D1434 (77°F/75% RH/1 ATM) |
| Yield (nominal) | 42200 in2/lb |