- 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 | 0.00800 cc-mm/m²-24hr-atm | 0.0203 cc-mil/100 in²-24hr-atm | 0.6 g/m²-24hr for the film. ASTM E96 Procedure E |
| Oxygen Transmission | 0.00210 cc-mm/m²-24hr-atm | 0.00533 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 | 100 % | 100 % | ASTM D882 |
| Film Elongation at Break, TD | 80 % | 80 % | ASTM D882 |
| Modulus of Elasticity | 3.45 GPa | 500 ksi | (stiffness), ASTM D882 |
| Tear Strength Test | 300 | 300 | Graves, g; ASTM D1004 |
| Seal Strength | 201 g/25 mm | 201 g/in | |
| Film Tensile Strength at Break, MD | 165 MPa | 23900 psi | ASTM D882 |
| Film Tensile Strength at Break, TD | 193 MPa | 28000 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. |