- 密度 [g/cm3]: 1.4
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.40 g/cc | 0.0506 lb/in³ | Average value for Mylar® films. |
| Moisture Vapor Transmission | 0.0150 cc-mm/m²-24hr-atm | 0.0381 cc-mil/100 in²-24hr-atm | 0.6 g/m²-24hr for the film. ASTM E96 Procedure E |
| Oxygen Transmission | 0.00380 cc-mm/m²-24hr-atm | 0.00965 cc-mil/100 in²-24hr-atm | or 0.15 cc/m²-24hr-atm for the film. ASTM D3985 |
| Mechanical Properties | Metric | English | Comments |
| Film Elongation at Break, MD | 140 % | 140 % | ASTM D882 |
| Film Elongation at Break, TD | 120 % | 120 % | ASTM D882 |
| Modulus of Elasticity | 3.79 GPa | 550 ksi | (stiffness), ASTM D882 |
| Tear Strength Test | 400 | 400 | Graves, g; ASTM D1004 |
| Seal Strength | 201 g/25 mm | 201 g/in | |
| Film Tensile Strength at Break, MD | 172 MPa | 24900 psi | ASTM D882 |
| Film Tensile Strength at Break, TD | 228 MPa | 33100 psi | ASTM D882 |
| Thermal Properties | Metric | English | Comments |
| Maximum Service Temperature, Air | 121 °C | 250 °F | Not cleared by FDA for food temperatures above this temperature. |
| Shrinkage | 1.5 % @Temperature 150 °C, Time 1800 sec | 1.5 % @Temperature 302 °F, Time 0.500 hour | Film shrinkage in oven. |